{"product_id":"portable-conductivity-water-quality-test-pen","title":"💧Portable conductivity water quality test pen","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  \/* Shopify Product Description Stylesheet - Self-contained \u0026 Fully Responsive *\/\n  .tds-desc-wrapper {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #333333;\n    line-height: 1.6;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 0 10px;\n    word-break: break-word;\n  }\n\n  .tds-desc-wrapper *, .tds-desc-wrapper *::before, .tds-desc-wrapper *::after {\n    box-sizing: border-box;\n  }\n\n  \/* 顶部主Banner模块 (科技水蓝色系) *\/\n  .tds-hero {\n    background: linear-gradient(135deg, #0284c7 0%, #0369a1 50%, #0c4a6e 100%);\n    border-radius: 16px;\n    padding: 35px 15px;\n    text-align: center;\n    margin-bottom: 30px;\n    box-shadow: 0 10px 25px rgba(2, 132, 199, 0.2);\n    color: #fff;\n  }\n\n  .tds-hero h1 {\n    font-size: 24px;\n    color: #f0f9ff;\n    margin-bottom: 12px;\n    font-weight: 700;\n  }\n\n  .tds-hero p {\n    font-size: 14px;\n    color: #bae6fd;\n    max-width: 700px;\n    margin: 0 auto 15px auto;\n  }\n\n  .tds-badge {\n    display: inline-block;\n    background: #38bdf8;\n    color: #0c4a6e;\n    padding: 5px 14px;\n    border-radius: 20px;\n    font-size: 11px;\n    font-weight: 700;\n    letter-spacing: 1px;\n    text-transform: uppercase;\n    box-shadow: 0 2px 5px rgba(0,0,0,0.05);\n  }\n\n  \/* Section Headings *\/\n  .tds-section-title {\n    text-align: center;\n    font-size: 20px;\n    color: #0369a1;\n    margin: 35px 0 15px 0;\n    font-weight: 700;\n  }\n\n  \/* 核心卖点图标网格模块 *\/\n  .tds-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 12px;\n    margin-bottom: 30px;\n  }\n\n  @media (min-width: 768px) {\n    .tds-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 20px;\n      max-width: 800px;\n      margin-left: auto;\n      margin-right: auto;\n    }\n    .tds-hero {\n      padding: 45px 20px;\n    }\n    .tds-hero h1 {\n      font-size: 32px;\n    }\n    .tds-hero p {\n      font-size: 16px;\n    }\n    .tds-section-title {\n      font-size: 24px;\n    }\n  }\n\n  .tds-card {\n    background: linear-gradient(145deg, #ffffff 0%, #f0f9ff 100%);\n    border: 1px solid #bae6fd;\n    border-radius: 12px;\n    padding: 15px 10px;\n    text-align: center;\n    box-shadow: 0 4px 12px rgba(0,0,0,0.02);\n  }\n\n  .tds-card-icon {\n    width: 50px;\n    height: 50px;\n    margin: 0 auto 10px auto;\n    background: linear-gradient(135deg, #e0f2fe, #38bdf8);\n    border-radius: 50%;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    font-size: 20px;\n  }\n\n  .tds-card h3 {\n    font-size: 14px;\n    color: #0369a1;\n    margin-bottom: 6px;\n    font-weight: 600;\n  }\n\n  .tds-card p {\n    font-size: 12px;\n    color: #64748b;\n    margin: 0;\n  }\n\n  \/* 核心卖点详情模块(卡片形式，一张卡片展示一个核心卖点的类型) *\/\n  .tds-feature-module {\n    background: linear-gradient(120deg, #f0f9ff 0%, #e0f2fe 100%);\n    border-radius: 12px;\n    padding: 18px;\n    margin-bottom: 20px;\n    border-left: 4px solid #0284c7;\n    box-shadow: 0 4px 10px rgba(0,0,0,0.02);\n  }\n\n  .tds-feature-module h3 {\n    font-size: 16px;\n    color: #0369a1;\n    margin-top: 0;\n    margin-bottom: 8px;\n    text-align: center;\n  }\n\n  .tds-feature-module p {\n    font-size: 13px;\n    color: #475569;\n    margin: 0;\n    text-align: center;\n  }\n\n  \/* 详细特性展示与规格参数模块（带小边框样式包裹） *\/\n  .tds-specs-wrapper {\n    background: #ffffff;\n    border: 2px solid #bae6fd;\n    border-radius: 16px;\n    padding: 24px 16px;\n    margin-bottom: 30px;\n    box-shadow: 0 8px 20px rgba(0,0,0,0.03);\n  }\n\n  .tds-specs-grid {\n    display: grid;\n    grid-template-columns: 1fr;\n    gap: 16px;\n    margin-top: 15px;\n  }\n\n  @media (min-width: 768px) {\n    .tds-specs-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 20px;\n    }\n  }\n\n  .tds-spec-box {\n    background: #f8fafc;\n    border: 1px solid #e2e8f0;\n    border-radius: 10px;\n    padding: 15px;\n  }\n\n  .tds-spec-box h4 {\n    margin: 0 0 10px 0;\n    font-size: 14px;\n    color: #0369a1;\n    border-bottom: 2px solid #bae6fd;\n    padding-bottom: 6px;\n    font-weight: 700;\n  }\n\n  .tds-spec-list {\n    list-style: none;\n    padding: 0;\n    margin: 0;\n  }\n\n  .tds-spec-list li {\n    font-size: 12px;\n    display: flex;\n    justify-content: space-between;\n    color: #475569;\n    border-bottom: 1px dashed #e2e8f0;\n    padding-bottom: 6px;\n    margin-bottom: 6px;\n    gap: 10px;\n  }\n\n  .tds-spec-list li span:last-child {\n    font-weight: 600;\n    color: #0369a1;\n    text-align: right;\n  }\n\n  \/* 常见问题解答模块(下拉框形式，有小箭头能平滑旋转) *\/\n  .tds-faq-container {\n    background: #ffffff;\n    border: 1px solid #bae6fd;\n    border-radius: 12px;\n    overflow: hidden;\n    margin-bottom: 30px;\n    box-shadow: 0 4px 12px rgba(0,0,0,0.02);\n  }\n\n  .tds-faq-container details {\n    border-bottom: 1px solid #f0f9ff;\n    transition: background 0.3s ease;\n    margin-bottom: 0;\n    border-radius: 0;\n    box-shadow: none;\n  }\n\n  .tds-faq-container details:last-child {\n    border-bottom: none;\n  }\n\n  .tds-faq-container summary {\n    width: 100%;\n    background: linear-gradient(to right, #f8fafc, #f0f9ff);\n    border: none;\n    padding: 14px 16px;\n    text-align: left;\n    font-size: 14px;\n    font-weight: 600;\n    color: #0369a1;\n    cursor: pointer;\n    display: flex;\n    justify-content: space-between;\n    align-items: center;\n    outline: none;\n    list-style: none;\n  }\n\n  .tds-faq-container summary::-webkit-details-marker {\n    display: none;\n  }\n\n  .tds-faq-container summary:hover {\n    background: linear-gradient(to right, #f0f9ff, #e0f2fe);\n  }\n\n  .tds-faq-container summary::after {\n    content: \"▼\";\n    font-size: 10px;\n    color: #ffffff;\n    background: #0284c7;\n    width: 22px;\n    height: 22px;\n    border-radius: 50%;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s ease;\n    margin-left: 10px;\n    flex-shrink: 0;\n    box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);\n  }\n\n  .tds-faq-container details[open] summary::after {\n    transform: rotate(180deg);\n    background: #0c4a6e;\n  }\n\n  .tds-faq-container p {\n    background: #ffffff;\n    padding: 12px 16px 16px 16px;\n    font-size: 13px;\n    color: #475569;\n    margin: 0;\n    border-top: 1px solid #f8fafc;\n  }\n\n  \/* 货运与质量4大保证模块 *\/\n  .tds-guarantee-wrapper {\n    margin-bottom: 30px;\n  }\n\n  .tds-guarantee-grid {\n    display: grid;\n    grid-template-columns: 1fr;\n    gap: 12px;\n  }\n\n  @media (min-width: 768px) {\n    .tds-guarantee-grid {\n      grid-template-columns: repeat(2, 1fr);\n      gap: 15px;\n    }\n  }\n\n  .tds-guarantee-card {\n    background: #ffffff;\n    border: 1px solid #bae6fd;\n    border-radius: 12px;\n    padding: 15px;\n    display: flex;\n    align-items: flex-start;\n    gap: 12px;\n    box-shadow: 0 4px 10px rgba(0,0,0,0.02);\n  }\n\n  .tds-guarantee-icon {\n    font-size: 18px;\n    background: #f0f9ff;\n    color: #0284c7;\n    width: 38px;\n    height: 38px;\n    border-radius: 10px;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    flex-shrink: 0;\n  }\n\n  .tds-guarantee-card h4 {\n    margin: 0 0 4px 0;\n    font-size: 13px;\n    color: #0369a1;\n    font-weight: 700;\n  }\n\n  .tds-guarantee-card p {\n    margin: 0;\n    font-size: 11px;\n    color: #64748b;\n  }\n\n  \/* 底部行动呼吁横幅（带悬停微动与点击浮动按钮） *\/\n  .tds-cta-banner {\n    background: linear-gradient(135deg, #0369a1 0%, #0c4a6e 100%);\n    border-radius: 16px;\n    color: #ffffff;\n    padding: 35px 20px;\n    text-align: center;\n    box-shadow: 0 10px 30px rgba(3, 105, 161, 0.25);\n    margin-bottom: 20px;\n  }\n\n  .tds-cta-banner h2 {\n    margin: 0 0 8px 0;\n    font-size: 20px;\n    font-weight: 700;\n    color: #f0f9ff;\n  }\n\n  .tds-cta-banner p {\n    margin: 0 0 20px 0;\n    font-size: 13px;\n    color: #bae6fd;\n  }\n\n  .tds-cta-btn {\n    display: inline-block;\n    background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);\n    color: #ffffff;\n    text-decoration: none;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 12px 32px;\n    border-radius: 999px;\n    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);\n    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;\n  }\n\n  .tds-cta-btn:hover {\n    transform: translateY(-4px) scale(1.03);\n    box-shadow: 0 10px 25px rgba(2, 132, 199, 0.5);\n  }\n\n  .tds-cta-btn:active {\n    transform: translateY(-1px) scale(0.98);\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"tds-desc-wrapper\" id=\"tds-top-anchor\"\u003e\n\u003c!-- 顶部主Banner模块 --\u003e\n\u003cdiv class=\"tds-hero\"\u003e\n\u003cspan class=\"tds-badge\"\u003eAdvanced Water Quality Tester\u003c\/span\u003e\n\u003ch1\u003e3-in-1 Digital TDS \u0026amp; Water Quality Meter\u003c\/h1\u003e\n\u003cp\u003eEnsure your drinking water, RO system, pool, and aquarium are safe with lab-grade accuracy, instant digital readouts, and automatic calibration.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/2215167666010\/O1CN01...jpg\" alt=\"Varify 4-in-1 Digital TDS Meter\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0784\/9541\/6505\/files\/gif_05f99d6a-b9de-4764-a74a-01464922f063.gif?v=1785728140\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 核心卖点图标网格模块 --\u003e\n\u003ch2 class=\"tds-section-title\"\u003eWhy Choose Varify TDS Meter?\u003c\/h2\u003e\n\u003cdiv class=\"tds-grid\"\u003e\n\u003cdiv class=\"tds-card\"\u003e\n\u003cdiv class=\"tds-card-icon\"\u003e⚡\u003c\/div\u003e\n\u003ch3\u003eInstant Results\u003c\/h3\u003e\n\u003cp\u003eGet precise water purity measurements in seconds right on the clear digital LCD screen.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-card\"\u003e\n\u003cdiv class=\"tds-card-icon\"\u003e🔬\u003c\/div\u003e\n\u003ch3\u003eLab-Grade Accuracy\u003c\/h3\u003e\n\u003cp\u003eEngineered with advanced microprocessors to deliver reliable, professional-grade precision.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-card\"\u003e\n\u003cdiv class=\"tds-card-icon\"\u003e⚙️\u003c\/div\u003e\n\u003ch3\u003eAuto Calibration\u003c\/h3\u003e\n\u003cp\u003eFeatures automatic temperature compensation (ATC) and calibration for hassle-free testing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-card\"\u003e\n\u003cdiv class=\"tds-card-icon\"\u003e💧\u003c\/div\u003e\n\u003ch3\u003e🛡️ Reliable \u0026amp; Wide Application\u003c\/h3\u003e\n\u003cp\u003eIdeal for drinking water filters, fish tanks, hydroponics, pools and household water monitoring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 核心卖点详情模块(卡片形式，一张卡片展示一个核心卖点的类型) --\u003e\n\u003ch2 class=\"tds-section-title\"\u003eCore Feature Details\u003c\/h2\u003e\n\u003cdiv class=\"tds-feature-module\"\u003e\n\u003ch3\u003e💧 Accurate Water Quality Testing\u003c\/h3\u003e\n\u003cp\u003eQuickly detect TDS value to check tap water, drinking water, aquarium and filtered water safety.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0784\/9541\/6505\/files\/1_69910556-09eb-471d-a5d0-1f8f3f74157d.jpg?v=1785725661\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-feature-module\"\u003e\n\u003ch3\u003e📱 Portable Pen-Size Design\u003c\/h3\u003e\n\u003cp\u003eLightweight pocket tester with matched storage pouch, easy to carry for outdoor \u0026amp; home use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0784\/9541\/6505\/files\/b741c883-ede1-475e-a03a-6d170e681b35.jpg?v=1785725882\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-feature-module\"\u003e\n\u003ch3\u003e🔰 Clear Backlit LCD Display\u003c\/h3\u003e\n\u003cp\u003eGreen backlight screen shows readings directly, convenient for reading in dim environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0784\/9541\/6505\/files\/3_a6bf86d3-efb7-4d89-a0c2-f7e1de8021b4.jpg?v=1785725661\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-feature-module\"\u003e\n\u003ch3\u003e⚙️ Simple One-Button Operation\u003c\/h3\u003e\n\u003cp\u003eUser-friendly control buttons, no complicated setup, suitable for beginners to operate effortlessly.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0784\/9541\/6505\/files\/4_a1277939-447a-4ef0-afb4-fe6064a49e30.jpg?v=1785725661\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-feature-module\"\u003e\n\u003ch3\u003e🛡️ Reliable \u0026amp; Wide Application\u003c\/h3\u003e\n\u003cp\u003eIdeal for drinking water filters, fish tanks, hydroponics, pools and household water monitoring.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0784\/9541\/6505\/files\/5_5fc43b51-6971-4085-8b89-e4debc115496.jpg?v=1785725661\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 详细特性展示与规格参数模块（带小边框样式包裹） --\u003e\n\u003cdiv class=\"tds-specs-wrapper\"\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 12px;\"\u003e\n\u003cspan class=\"tds-badge\" style=\"background: #f0f9ff; color: #0284c7; border: 1px solid #bae6fd;\"\u003eSpecifications\u003c\/span\u003e\n\u003ch3 style=\"font-size: 18px; color: #0369a1; margin: 6px 0 2px 0; font-weight: bold;\"\u003eProduct Technical Details\u003c\/h3\u003e\n\u003cp style=\"font-size: 12px; color: #64748b;\"\u003eEngineered for high accuracy, durability, and ease of operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-specs-grid\"\u003e\n\u003cdiv class=\"tds-spec-box\"\u003e\n\u003ch4\u003eSensor \u0026amp; Measurement\u003c\/h4\u003e\n\u003cul class=\"tds-spec-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eMeasurement Type\u003c\/span\u003e \u003cspan\u003eTDS (Total Dissolved Solids) \u0026amp; Temp\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eProbe Material\u003c\/span\u003e \u003cspan\u003eHigh-Sensitivity Titanium Alloy\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTemperature Comp\u003c\/span\u003e \u003cspan\u003eAutomatic Temperature Compensation (ATC)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDisplay Screen\u003c\/span\u003e \u003cspan\u003eClear Backlit Digital LCD\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-spec-box\"\u003e\n\u003ch4\u003ePower \u0026amp; Package\u003c\/h4\u003e\n\u003cul class=\"tds-spec-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003ePower Source\u003c\/span\u003e \u003cspan\u003eButton Cell Batteries \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCalibration\u003c\/span\u003e \u003cspan\u003eFactory Calibrated \/ Auto-Cal\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePrimary Uses\u003c\/span\u003e \u003cspan\u003eDrinking Water, RO, Pools, Aquariums\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage Includes\u003c\/span\u003e \u003cspan\u003e1 x TDS Meter, Guide Card, Batteries\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 常见问题解答模块(下拉框形式，有小箭头能平滑旋转) --\u003e\n\u003cdiv class=\"tds-faq-container\"\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding-top: 15px;\" class=\"ss-section-head\"\u003e\n\u003cspan class=\"tds-badge\" style=\"background: #f0f9ff; color: #0284c7; border: 1px solid #bae6fd; display: block; width: fit-content; margin: 0 auto 6px auto;\"\u003eFAQ\u003c\/span\u003e\n\u003ch2 class=\"tds-section-title\" style=\"margin: 0 0 4px 0;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"text-align: center; font-size: 13px; color: #64748b; margin: 0;\"\u003eTap any question below to expand details ▼\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eHow do I use the digital TDS meter?\u003c\/summary\u003e\n\u003cp\u003eSimply remove the protective cap, turn on the meter, submerge it into the water up to the maximum immersion level, and read the stable ppm measurement on the screen.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWhat does the TDS number actually mean?\u003c\/summary\u003e\n\u003cp\u003eTDS stands for Total Dissolved Solids, representing the total amount of mobile charged ions in water. Lower ppm numbers generally indicate purer water, and our included guide card helps you interpret the results.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eDoes the meter require manual calibration?\u003c\/summary\u003e\n\u003cp\u003eIt comes pre-calibrated from the factory for immediate use. It also features automatic temperature compensation to maintain accuracy across different water temperatures.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eCan I use this tester for fish tank and hydroponic water testing?\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. It works for drinking water, aquariums, hydroponics, pools and tap water.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!-- 货运与质量4大保证模块 --\u003e\n\u003cdiv class=\"tds-guarantee-wrapper\"\u003e\n\u003cdiv style=\"margin-bottom: 15px; text-align: center;\"\u003e\n\u003ch2 class=\"tds-section-title\" style=\"margin: 0 0 4px 0;\"\u003eOur Quality Guarantees\u003c\/h2\u003e\n\u003cp style=\"font-size: 13px; color: #64748b; margin: 0;\"\u003eShop with complete peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-guarantee-grid\"\u003e\n\u003cdiv class=\"tds-guarantee-card\"\u003e\n\u003cdiv class=\"tds-guarantee-icon\"\u003e🔍\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003e1. Trackable logistics\u003c\/h4\u003e\n\u003cp\u003eEvery shipment comes with active tracking numbers so you can monitor your package every step of the way.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-guarantee-card\"\u003e\n\u003cdiv class=\"tds-guarantee-icon\"\u003e🚚\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003e2. Trackable delivery\u003c\/h4\u003e\n\u003cp\u003ePartnering with premium carriers to ensure your order arrives safely and on time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-guarantee-card\"\u003e\n\u003cdiv class=\"tds-guarantee-icon\"\u003e🛡️\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003e3. Safe packaging\u003c\/h4\u003e\n\u003cp\u003eProtective cushioning guarantees your precision electronics arrive in pristine, working condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tds-guarantee-card\"\u003e\n\u003cdiv class=\"tds-guarantee-icon\"\u003e💬\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch4\u003e4. Comprehensive after-sales service\u003c\/h4\u003e\n\u003cp\u003eDedicated 24\/7 customer support and a hassle-free return policy for complete peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 底部行动呼吁横幅（带悬停微动与点击浮动按钮） --\u003e\n\u003cdiv class=\"tds-cta-banner\"\u003e\n\u003ch2\u003eTest Your Home Water Quality Today!\u003c\/h2\u003e\n\u003cp\u003eMake sure your family drinks pure, safe water with our lab-grade digital TDS meter.\u003c\/p\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003ca href=\"#\" class=\"tds-cta-btn\" style=\"color: rgb(255, 255, 255);\"\u003eBuy Now \u0026amp; Check Your Water\u003c\/a\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"WFH","offers":[{"title":"White","offer_id":48441850036409,"sku":"NC02092608034506-白色-皮套包装","price":19.99,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":48441850069177,"sku":"NC02092608034506-黄色-皮套包装","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9541\/6505\/files\/1_69910556-09eb-471d-a5d0-1f8f3f74157d.jpg?v=1785725661","url":"https:\/\/fvaulity.com\/products\/portable-conductivity-water-quality-test-pen","provider":"fvaulity","version":"1.0","type":"link"}