{"product_id":"digital-circuit-tester-pen","title":"Digital Circuit Tester Pen","description":"\u003cdiv class=\"product-set-container\"\u003e\n\u003cstyle type=\"text\/css\"\u003e\/* Design System (CSS Variables) - Automotive \u0026 Tools Theme *\/\n    .product-set-container {\n      --primary: #0F172A; \/* Slate 900 - Deep Automotive Black\/Blue *\/\n      --primary-hover: #020617;\n      --accent: #2563EB; \/* Blue 600 - Electric\/Tech Blue *\/\n      --accent-light: #EFF6FF; \/* Blue 50 *\/\n      --text-main: #334155; \/* Slate 700 *\/\n      --text-sub: #475569; \/* Slate 600 *\/\n      --bg-body: #F8FAFC; \/* Slate 50 *\/\n      --bg-card: #FFFFFF;\n      --border-color: #E2E8F0; \/* Slate 200 *\/\n      --radius-md: 16px; \n      --radius-lg: 24px;\n      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);\n      --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 10px -2px rgba(0, 0, 0, 0.04);\n\n      \/* Typography \u0026 Spacing System *\/\n      --spacing-section: clamp(3rem, 6vw, 5rem);\n      --spacing-module: clamp(2rem, 5vw, 4rem);\n      \n      font-family: 'Inter', -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n      color: var(--text-main);\n      background-color: var(--bg-body);\n      max-width: 1200px;\n      margin: 0 auto;\n      padding: 0 5%;\n      box-sizing: border-box;\n      overflow-wrap: break-word;\n      word-break: break-word;\n      line-height: 1.6;\n    }\n\n    .product-set-container *,\n    .product-set-container *::before,\n    .product-set-container *::after {\n      box-sizing: inherit;\n    }\n\n    \/* Typography Scale *\/\n    .product-set-container h1, \n    .product-set-container h2, \n    .product-set-container h3 {\n      font-family: 'Inter', -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, sans-serif;\n      color: var(--primary);\n      margin: 0 0 1rem 0;\n      font-weight: 800;\n      letter-spacing: -0.02em;\n    }\n\n    .product-set-container h1 {\n      font-size: clamp(28px, 4vw, 42px);\n      line-height: 1.2;\n    }\n\n    .product-set-container .subtitle {\n      font-size: clamp(14px, 2vw, 16px);\n      color: var(--accent);\n      font-weight: 800;\n      margin: 0 0 1rem 0;\n      text-transform: uppercase;\n      letter-spacing: 0.1em;\n    }\n\n    .product-set-container h2 {\n      font-size: clamp(24px, 3vw, 32px);\n      line-height: 1.3;\n      margin: 0 0 1.5rem 0;\n      position: relative;\n      padding-bottom: 0.75rem;\n    }\n    \n    .product-set-container h2::after {\n      content: '';\n      position: absolute;\n      left: 0;\n      bottom: 0;\n      width: 40px;\n      height: 4px;\n      background-color: var(--accent);\n      border-radius: 4px;\n    }\n\n    .product-set-container h3 {\n      font-size: clamp(20px, 2.5vw, 24px);\n      line-height: 1.4;\n      margin: 0 0 1rem 0;\n      display: flex;\n      align-items: center;\n      gap: 10px;\n    }\n\n    .product-set-container p {\n      font-size: clamp(16px, 2vw, 18px);\n      color: var(--text-sub);\n      margin: 0 0 1.5rem 0;\n    }\n\n    \/* Badges *\/\n    .detail-badge-group {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 10px;\n      margin-bottom: 2rem;\n    }\n    .detail-badge {\n      display: inline-flex;\n      align-items: center;\n      padding: 8px 16px;\n      background: var(--bg-card);\n      border: 2px solid var(--accent-light);\n      border-radius: 12px;\n      font-size: 14px;\n      font-weight: 700;\n      color: var(--primary);\n      box-shadow: var(--shadow-sm);\n      transition: transform 0.2s ease;\n    }\n    .detail-badge:hover {\n      transform: translateY(-2px);\n    }\n    .detail-badge.accent {\n      background: var(--accent);\n      color: #FFF;\n      border-color: var(--accent);\n    }\n\n    \/* Image Protocol \u0026 Placeholders *\/\n    .img-placeholder {\n      width: 100%;\n      background-color: var(--bg-card);\n      border-radius: var(--radius-lg);\n      display: flex;\n      align-items: center;\n      justify-content: center;\n      overflow: hidden;\n      box-shadow: var(--shadow-sm);\n      margin-bottom: 1.5rem;\n      border: 1px solid var(--border-color);\n      position: relative;\n    }\n    \n    .img-placeholder::after {\n      content: '';\n      position: absolute;\n      inset: 0;\n      border-radius: var(--radius-lg);\n      box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);\n      pointer-events: none;\n    }\n\n    .img-placeholder img {\n      width: 100%;\n      height: auto;\n      display: block;\n      transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);\n    }\n    \n    .img-placeholder:hover img {\n      transform: scale(1.03);\n    }\n\n    .banner-image {\n      margin-bottom: var(--spacing-section);\n    }\n\n    \/* Modules *\/\n    .hero-section {\n      text-align: center;\n      margin-top: 3rem;\n      margin-bottom: var(--spacing-section);\n      background: var(--bg-card);\n      padding: 4rem 2rem;\n      border-radius: var(--radius-lg);\n      border: 1px solid var(--border-color);\n      box-shadow: var(--shadow-lg);\n      background-image: radial-gradient(circle at top right, var(--accent-light) 0%, transparent 40%);\n    }\n    .hero-section h2::after {\n      left: 50%;\n      transform: translateX(-50%);\n    }\n    .hero-section .detail-badge-group {\n      justify-content: center;\n    }\n\n    \/* Z-Pattern Features *\/\n    .feature-list {\n      display: flex;\n      flex-direction: column;\n      gap: var(--spacing-section);\n      margin-bottom: var(--spacing-section);\n    }\n\n    .feature-item {\n      display: flex;\n      flex-direction: column;\n      gap: 2rem;\n      align-items: center;\n    }\n\n    .feature-media, .feature-copy {\n      width: 100%;\n    }\n    \n    \/* Specs Table *\/\n    .specs-section {\n      margin-bottom: var(--spacing-section);\n    }\n    .specs-table-wrapper {\n      background: var(--bg-card);\n      border-radius: var(--radius-lg);\n      padding: clamp(1.5rem, 3vw, 3rem);\n      box-shadow: var(--shadow-sm);\n      margin-bottom: 2rem;\n      border: 1px solid var(--border-color);\n    }\n    .specs-table {\n      width: 100%;\n      border-collapse: collapse;\n    }\n    \n    \/* FAQ Section *\/\n    .faq-section {\n      margin-bottom: var(--spacing-section);\n    }\n    .faq-item {\n      background: var(--bg-card);\n      border-radius: var(--radius-md);\n      padding: 1.5rem 2rem;\n      margin-bottom: 1rem;\n      border: 1px solid var(--border-color);\n      border-left: 4px solid var(--accent);\n      transition: all 0.2s ease;\n    }\n    .faq-item:hover {\n      box-shadow: var(--shadow-sm);\n      transform: translateX(4px);\n    }\n    .faq-question {\n      font-size: clamp(16px, 2vw, 18px);\n      font-weight: 700;\n      color: var(--primary);\n      margin-bottom: 0.5rem;\n    }\n    .faq-answer {\n      font-size: clamp(15px, 1.8vw, 16px);\n      color: var(--text-sub);\n      margin: 0;\n    }\n\n    \/* Desktop Enhancements *\/\n    @media (min-width: 768px) {\n      .feature-item {\n        flex-direction: row;\n        gap: var(--spacing-module);\n      }\n      .feature-item.reverse {\n        flex-direction: row-reverse;\n      }\n      .feature-media, .feature-copy {\n        flex: 1;\n      }\n      .feature-copy {\n        padding: 0 2rem;\n      }\n      \n      .specs-table th, .specs-table td {\n        padding: 1.25rem 1.5rem;\n        text-align: left;\n        border-bottom: 1px solid var(--border-color);\n        font-size: 16px;\n      }\n      .specs-table th {\n        font-weight: 700;\n        color: var(--primary);\n        width: 35%;\n        background-color: var(--accent-light);\n        font-size: 15px;\n      }\n      .specs-table tr:first-child th {\n        border-top-left-radius: 12px;\n      }\n      .specs-table tr:last-child td, .specs-table tr:last-child th {\n        border-bottom: none;\n      }\n      .specs-table tr:last-child th {\n        border-bottom-left-radius: 12px;\n      }\n    }\n\n    \/* Mobile Specs Table Lock *\/\n    @media (max-width: 767px) {\n      .specs-table, \n      .specs-table thead, \n      .specs-table tbody, \n      .specs-table tr, \n      .specs-table th, \n      .specs-table td {\n        display: block;\n        width: 100%;\n      }\n      .specs-table thead {\n        display: none;\n      }\n      .specs-table tr {\n        background: var(--bg-card);\n        border: 1px solid var(--border-color);\n        border-radius: var(--radius-md);\n        margin-bottom: 1rem;\n        padding: 1.25rem;\n      }\n      .specs-table td {\n        display: flex;\n        flex-direction: column;\n        padding: 0.75rem 0;\n        border-bottom: 1px solid var(--bg-body);\n        font-size: 15px;\n        text-align: left;\n      }\n      .specs-table td:last-child {\n        border-bottom: none;\n        padding-bottom: 0;\n      }\n      .specs-table td::before {\n        content: attr(data-label);\n        font-weight: 800;\n        color: var(--accent);\n        text-transform: uppercase;\n        margin-bottom: 0.25rem;\n        font-size: 12px;\n        letter-spacing: 0.05em;\n      }\n    }\n\u003c\/style\u003e\n\u003c!-- Hero Section --\u003e\n\u003cdiv class=\"hero-section\"\u003e\n\u003cdiv class=\"subtitle\"\u003eProfessional Automotive Tool\u003c\/div\u003e\n\n\u003ch1\u003eAutomotive Circuit Tester Pen – Digital Display \u0026amp; Durable Build\u003c\/h1\u003e\n\n\u003cdiv class=\"detail-badge-group\"\u003e\n\u003cdiv class=\"detail-badge accent\"\u003e🔢 LED Display\u003c\/div\u003e\n\n\u003cdiv class=\"detail-badge\"\u003e🔌 110\" Extended Wire\u003c\/div\u003e\n\n\u003cdiv class=\"detail-badge\"\u003e🔴🟢 Dual Polarity\u003c\/div\u003e\n\n\u003cdiv class=\"detail-badge\"\u003e🛡️ Insulated Safety\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-list\"\u003e\n\u003c!-- Feature 1 --\u003e\n\u003cdiv class=\"feature-item\"\u003e\n\u003cdiv class=\"feature-media\"\u003e\n\u003cdiv class=\"img-placeholder\"\u003e\u003cdiv\u003e\u003cimg alt=\"LED Digital Voltage Display\" referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251224133528\/bf6b385e52d8a7abd20b31862e4f77b8.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-copy\"\u003e\n\u003ch3\u003e🔢 LED Digital Voltage Display\u003c\/h3\u003e\n\n\u003cp\u003eThis automotive circuit tester is equipped with a bright LED digital voltage display that delivers accurate and dependable readings. Compared with traditional LCD test lights, the LED screen remains clearly visible regardless of lighting conditions, ensuring easy reading in sunlight or low-light engine bays.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Feature 2 --\u003e\n\n\u003cdiv class=\"feature-item reverse\"\u003e\n\u003cdiv class=\"feature-media\"\u003e\n\u003cdiv class=\"img-placeholder\"\u003e\u003cdiv\u003e\u003cimg alt=\"Long Spring Wire with Secure Alligator Clip\" referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251224133528\/a49d0a89a9cb3ab8c5fcc7cdfa6a1a26.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-copy\"\u003e\n\u003ch3\u003e🔌 Long Spring Wire with Secure Alligator Clip\u003c\/h3\u003e\n\n\u003cp\u003eFeaturing a highly elastic spring wire that extends up to 110 inches, this tester provides added reach and flexibility during inspections. The reinforced anti-bend tail wire helps maintain stable contact, while the oversized alligator clip allows safe and convenient one-handed operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Feature 3 --\u003e\n\n\u003cdiv class=\"feature-item\"\u003e\n\u003cdiv class=\"feature-media\"\u003e\n\u003cdiv class=\"img-placeholder\"\u003e\u003cdiv\u003e\u003cimg alt=\"Clear Polarity Direction Indicator\" referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251224133528\/8434925950b53b0b85f9f562b52e2515.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-copy\"\u003e\n\u003ch3\u003e🔴🟢 Clear Polarity Direction Indicator\u003c\/h3\u003e\n\n\u003cp\u003eThe built-in dual-color LED indicator makes polarity identification simple. A red light signals positive polarity, while a green light indicates negative polarity. The clip can be attached to either terminal, allowing easy probing of the opposite side.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Feature 4 --\u003e\n\n\u003cdiv class=\"feature-item reverse\"\u003e\n\u003cdiv class=\"feature-media\"\u003e\n\u003cdiv class=\"img-placeholder\"\u003e\u003cdiv\u003e\u003cimg alt=\"Enhanced Safety \u0026amp; Insulated Protection\" referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251224133528\/db392089c7fb81b9e5c645a593514506.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-copy\"\u003e\n\u003ch3\u003e🛡️ Enhanced Safety \u0026amp; Insulated Protection\u003c\/h3\u003e\n\n\u003cp\u003eThis upgraded circuit tester includes an integrated circuit board for improved durability and safety compared to standard test lights. The insulated housing offers a comfortable grip while reducing shock risk, and built-in line protection improves heat resistance and operational safety.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Feature 5 --\u003e\n\n\u003cdiv class=\"feature-item\"\u003e\n\u003cdiv class=\"feature-media\"\u003e\n\u003cdiv class=\"img-placeholder\"\u003e\u003cdiv\u003e\u003cimg alt=\"Ideal for Automotive Electrical Checks\" referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251224133528\/02703431f0877f7a02578bbb565407c9.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-copy\"\u003e\n\u003ch3\u003e🚗 Ideal for Automotive Electrical Checks\u003c\/h3\u003e\n\n\u003cp\u003eDesigned for a wide range of automotive testing tasks, this circuit tester pen is suitable for diagnosing headlights, brake lights, turn signals, fuses, sockets, wiring faults, and loose connections. The sharp, extended probe easily accesses tight or hard-to-reach areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Specs Section --\u003e\n\n\u003cdiv class=\"specs-section\"\u003e\n\u003ch2\u003e📋 Specifications\u003c\/h2\u003e\n\n\u003cdiv class=\"specs-table-wrapper\"\u003e\n\u003ctable class=\"specs-table\"\u003e\n\t\u003cthead\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003cth\u003eSpecification\u003c\/th\u003e\n\t\t\t\u003cth\u003eDetails\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/thead\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd data-label=\"Specification\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-label=\"Details\"\u003eAutomotive Circuit Tester Pen\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd data-label=\"Specification\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-label=\"Details\"\u003eLED digital voltage screen\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd data-label=\"Specification\"\u003e\u003cstrong\u003eWire Length\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-label=\"Details\"\u003eUp to 110 inches (extended)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd data-label=\"Specification\"\u003e\u003cstrong\u003ePolarity Display\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-label=\"Details\"\u003eRed for positive \/ Green for negative\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd data-label=\"Specification\"\u003e\u003cstrong\u003eSafety Design\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-label=\"Details\"\u003eBuilt-in circuit board with insulation\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd data-label=\"Specification\"\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd data-label=\"Details\"\u003eAutomotive electrical diagnostics\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Additional Banner Image --\u003e\n\n\u003cdiv class=\"banner-image img-placeholder\"\u003e \u003c\/div\u003e\n\n\u003cdiv class=\"faq-section\"\u003e\n\u003ch2\u003e❓ FAQ\u003c\/h2\u003e\n\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e1. Can the display be seen clearly in sunlight?\u003c\/div\u003e\n\n\u003cdiv class=\"faq-answer\"\u003eYes. The LED digital display remains bright and readable in both outdoor and low-light conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e2. Does this tester show polarity direction?\u003c\/div\u003e\n\n\u003cdiv class=\"faq-answer\"\u003eYes. Red indicates positive polarity, while green indicates negative polarity.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e3. Is it suitable for modern vehicle electronics?\u003c\/div\u003e\n\n\u003cdiv class=\"faq-answer\"\u003eYes. The integrated circuit board and protective design help ensure safe testing.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e4. What systems can be tested?\u003c\/div\u003e\n\n\u003cdiv class=\"faq-answer\"\u003eIt can be used to check lights, fuses, sockets, wiring faults, and other automotive electrical components.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"Bak","offers":[{"title":"🚗 1-Pack (Basic Diagnostic)","offer_id":44842155507903,"sku":"1729634886103118961","price":12.95,"currency_code":"USD","in_stock":true},{"title":"🔥 2-Pack (Garage \u0026 Trunk Set) - Save 15%","offer_id":44842155540671,"sku":"1729634886103113734","price":16.95,"currency_code":"USD","in_stock":true},{"title":"💎 4-Pack (Pro Workshop Bundle) - Best Value","offer_id":45293051084991,"sku":null,"price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/3220\/3711\/files\/bf6b385e52d8a7abd20b31862e4f77b8.jpg?v=1766730572","url":"https:\/\/ggkbkw-fz.myshopify.com\/products\/digital-circuit-tester-pen","provider":"Bak","version":"1.0","type":"link"}