{"product_id":"dieserc-dc-12v-wireless-relay-remote-control-switch-433mhz-rf-4-channels-relay-receiver-board-with-2-transmitters-for-truck-trunk-motor-garage-door-electric-lock-3-operating-modes","title":"DC 12V Wireless Relay Remote Control Switch 433MHz RF 4 Channels Relay Receiver Board with 2 Transmitters for Truck Trunk Motor Garage Door Electric Lock, 3 Operating Modes","description":"\u003cstyle type=\"text\/css\"\u003e\/* 富文本容器样式 - 适用于Shopify *\/\n        .gallery-3x3 {\n            max-width: 1280px;\n            margin: 0 auto;\n            padding: 1rem 0;\n            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;\n            font-size: 16px; \/* 基础字体设为标准大小 *\/\n        }\n\n        \/* 网格布局：桌面3列，平板2列，手机自动适应 *\/\n        .grid-3x3 {\n            display: grid;\n            grid-template-columns: repeat(3, 1fr);\n            gap: 1.5rem;\n        }\n\n        \/* 图片卡片 - 正方形图片，无底部文字 *\/\n        .gallery-card {\n            background: #ffffff;\n            border-radius: 1.25rem;\n            overflow: hidden;\n            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.03), 0 2px 4px rgba(0, 0, 0, 0.05);\n            transition: transform 0.25s ease, box-shadow 0.25s ease;\n            border: 1px solid #eef2f6;\n        }\n\n        .gallery-card:hover {\n            transform: translateY(-5px);\n            box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.15);\n            border-color: #cbd5e1;\n        }\n\n        \/* 图片容器改为正方形 1:1 *\/\n        .image-wrapper {\n            position: relative;\n            width: 100%;\n            padding-bottom: 100%; \/* 正方形 *\/\n            background-color: #f8fafc;\n            overflow: hidden;\n        }\n\n        .image-wrapper img {\n            position: absolute;\n            top: 0;\n            left: 0;\n            width: 100%;\n            height: 100%;\n            object-fit: cover;\n            transition: transform 0.3s ease;\n        }\n\n        .gallery-card:hover .image-wrapper img {\n            transform: scale(1.02);\n        }\n\n        \/* 隐藏之前的图片说明文字 *\/\n        .img-caption {\n            display: none;\n        }\n\n        .gallery-header {\n            text-align: center;\n            margin-bottom: 2rem;\n        }\n        .gallery-header h3 {\n            font-size: 1.7rem;\n            font-weight: 700;\n            color: #0c4a6e;\n            border-left: 4px solid #f97316;\n            display: inline-block;\n            padding-left: 1rem;\n            margin: 0 auto;\n        }\n        .gallery-header p {\n            color: #475569;\n            margin-top: 0.5rem;\n            font-size: 1rem;\n        }\n\n        \/* 参数表格样式 - 文字统一增大，PC与移动端一致 *\/\n        .specs-section {\n            background: white;\n            border-radius: 28px;\n            border: 1px solid #e2edf7;\n            overflow-x: auto;\n            margin: 1.2rem 0 1.8rem 0;\n            box-shadow: 0 2px 8px rgba(0,0,0,0.02);\n        }\n        .specs-title {\n            font-size: 1.5rem; \/* 标题也相应增大 *\/\n            font-weight: 700;\n            color: #0c4a6e;\n            padding: 1rem 1.5rem 0 1.5rem;\n            margin-bottom: 0;\n            display: flex;\n            align-items: center;\n            gap: 0.5rem;\n        }\n        .specs-title::before {\n            content: \"📋\";\n            font-size: 1.6rem;\n        }\n        .specs-table {\n            width: 100%;\n            border-collapse: collapse;\n            font-size: 1rem; \/* 统一使用标准网页字体大小 16px *\/\n        }\n        .specs-table th,\n        .specs-table td {\n            padding: 1rem 1.2rem; \/* 增加内边距提升可读性 *\/\n            text-align: left;\n            border-bottom: 1px solid #eef2f6;\n            vertical-align: top;\n        }\n        .specs-table th {\n            background-color: #f8fafc;\n            font-weight: 600;\n            width: 38%;\n            color: #1e2f44;\n        }\n        .specs-table tr:last-child td,\n        .specs-table tr:last-child th {\n            border-bottom: none;\n        }\n        \/* 移动端不再缩小字体，保持与PC一致 *\/\n        @media (max-width: 640px) {\n            .specs-table th, .specs-table td {\n                padding: 0.8rem 1rem;\n                font-size: 1rem; \/* 与PC相同 *\/\n            }\n        }\n\n        \/* 发货 \u0026 技术支援横幅 *\/\n        .shipping-support {\n            background: linear-gradient(105deg, #f0f9ff 0%, #e6f2fc 100%);\n            border-radius: 28px;\n            padding: 1.2rem 1.8rem;\n            margin: 1.2rem 0 1.8rem 0;\n            border-left: 6px solid #f97316;\n            display: flex;\n            flex-wrap: wrap;\n            justify-content: space-between;\n            align-items: center;\n            gap: 1rem;\n            box-shadow: 0 4px 12px rgba(0,0,0,0.02);\n        }\n        .shipping-item {\n            display: flex;\n            align-items: center;\n            gap: 0.75rem;\n            flex: 1;\n            min-width: 200px;\n        }\n        .shipping-icon {\n            font-size: 1.8rem;\n        }\n        .shipping-text {\n            font-size: 1rem; \/* 标准字体 *\/\n            font-weight: 500;\n            color: #0c4a6e;\n        }\n        .shipping-text strong {\n            color: #c2410c;\n            font-weight: 700;\n        }\n        .support-highlight {\n            background: #ffffffcc;\n            backdrop-filter: blur(2px);\n            border-radius: 60px;\n            padding: 0.4rem 1rem;\n            font-size: 0.9rem; \/* 略小，但依然清晰 *\/\n            font-weight: 600;\n            color: #1e3a5f;\n            display: inline-flex;\n            align-items: center;\n            gap: 6px;\n        }\n        @media (max-width: 700px) {\n            .shipping-support {\n                flex-direction: column;\n                align-items: flex-start;\n            }\n            .shipping-item {\n                width: 100%;\n            }\n        }\n\n        \/* 额外提示安装帮助 *\/\n        .install-note {\n            background: #fef9e8;\n            border-radius: 20px;\n            padding: 0.9rem 1.2rem;\n            margin: 0.5rem 0 0.5rem 0;\n            font-size: 1rem;\n            color: #b45309;\n            display: inline-block;\n            width: auto;\n        }\n        hr {\n            margin: 1rem 0;\n        }\n\n        @media (max-width: 700px) {\n            .grid-3x3 {\n                grid-template-columns: repeat(2, 1fr);\n                gap: 1rem;\n            }\n        }\n        @media (max-width: 500px) {\n            .grid-3x3 {\n                grid-template-columns: 1fr;\n                gap: 1rem;\n            }\n        }\n\u003c\/style\u003e\n\u003cdiv style=\"text-align: start;\" class=\"gallery-3x3\"\u003e\n\u003c!-- ========= 1. 产品参数说明 (规格表格) ========= --\u003e\n\u003cdiv class=\"specs-section\"\u003e\n\u003cdiv class=\"specs-title\"\u003eTechnical Specifications — SWITNEX 2201NB+WP10\u003c\/div\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Voltage\u003c\/th\u003e\n\u003ctd\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eDC 6V ~ 30V\u003c\/span\u003e (wide range, 8V\/12V\/24V compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eInput \/ output voltage\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e1 ~ 250V\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eMax current\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eRF frequency\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd\u003eRF433\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Temperature\u003c\/th\u003e\n\u003ctd\u003e-30°C ~ +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIndoor Control Range\u003c\/th\u003e\n\u003ctd\u003e≥50 meters (approx. 165ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuiescent Current\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;5mA (ultra-low standby)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSupport encoding\u003c\/span\u003e\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e1527 learning code\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eReceiving sensitivity\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u0026gt; 97dbm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eRF working mode\u003c\/span\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eASK superheterodyne wireless reception\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\u003c\/ul\u003e\n\u003cdiv class=\"a-row a-expander-container a-expander-inline-container\"\u003e\n\u003cdiv class=\"a-expander-content a-expander-extend-content a-expander-content-expanded\" data-expanded=\"true\"\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Super Design】 433MHz RF wireless remote control. Stable and reliable performance with high reception sensitivity (\u0026gt; 97dBm) Radio frequency signal transmission. You can remotely control each machine connected to the relay receiver via the transmitter. Strong signal can pass through walls, floors, doors, etc. It can be controlled within 50 meters in open area. The chip code is learning code EV1527 which makes the system more secure.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Easy to Use】Extremely easy to set up and reset. There are 3 operating modes (momentary\/toggle mode) that can be configured. You can easily configure yourself according to your request. Product operating mode is adjustable. This item has already been configured in toggle mode. It can also be configured in mix mode. Such as 2 channels in momentary mode and 2 channels in toggle mode.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【More Flexibility】This receiver contains 4 relays and there are 3 terminals (normally open, common, normally closed) for each relay. These 4 relays are independent, so you can control each of them independently. Each receiver can store about 20 transmitters. And one transmitter can control multiple receivers. For example, you can use two relays to control the station door and the other two to control the lights.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Quality assurance】 High quality relay can be used more than 100,000 times. Let this product more durable and stable to use. The high power blue terminal can withstand a current of 10A, so that this product can have a good effect even when the current is unstable.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Wide Application】Products can be used in homes, farms, factories, offices, laboratories, supermarkets, etc. You can remotely use each device connected to the receiver relay via the remote control. Such as: truck trunk, garage door, electric door, shutter door, extension door and electric curtain, fan, lamp, lighting, ventilation device, signal transmission and so on.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\u003c!-- ========= 2. 发货与技术支援 ========= --\u003e\n\u003cdiv class=\"shipping-support\"\u003e\n\u003cdiv class=\"shipping-item\"\u003e\n\u003cdiv class=\"shipping-icon\"\u003e🚚\u003c\/div\u003e\n\u003cdiv class=\"shipping-text\"\u003e\n\u003cstrong\u003e✔️ Fast Shipping\u003c\/strong\u003e\u003cbr\u003eOrders processed within \u003cstrong\u003e2 business days\u003c\/strong\u003e.\u003cbr\u003eEstimated delivery: \u003cstrong\u003e7–15 days\u003c\/strong\u003e worldwide.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shipping-item\"\u003e\n\u003cdiv class=\"shipping-icon\"\u003e🔧\u003c\/div\u003e\n\u003cdiv class=\"shipping-text\"\u003e\n\u003cstrong\u003e✔️ Technical Support \u0026amp; Installation Help\u003c\/strong\u003e\u003cbr\u003eWorried about installation? We provide \u003cstrong\u003efree technical guidance\u003c\/strong\u003e.\u003cbr\u003eVideo manuals \u0026amp; email support — \u003cstrong\u003eyou won’t be left alone\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"support-highlight\"\u003e💡 \u003cstrong\u003eDon’t worry!\u003c\/strong\u003e Step-by-step installation support available\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left; margin: -0.5rem 0 1rem 0;\"\u003e\u003cspan class=\"install-note\"\u003e✅ 100% support: If you face any issue during wiring\/pairing, our team will assist you within 24h — install with confidence.\u003c\/span\u003e\u003c\/div\u003e\n\u003c!-- ========= 3. 正方形图片网格（无文字说明） ========= --\u003e\n\u003cdiv class=\"grid-3x3\"\u003e\n\u003c!-- 图片1 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/switnex.com\/cdn\/shop\/files\/71w9amy8qdS._SL1500.jpg?v=1768133391\" loading=\"lazy\" alt=\"SWITNEX remote switch install - lighting control\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 图片2 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/switnex.com\/cdn\/shop\/files\/71ZYZcg4UgS._SL1500.jpg?v=1768133391\" loading=\"lazy\" alt=\"Kinetic wireless switch wall panel\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 图片3 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/switnex.com\/cdn\/shop\/files\/71F3QYFAdbS._SL1500.jpg?v=1768133391\" loading=\"lazy\" alt=\"Water pump remote control automation\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 图片4 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/switnex.com\/cdn\/shop\/files\/81sGdhV_SsS._SL1500.jpg?v=1768133391\" loading=\"lazy\" alt=\"DIY wireless plug installation\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 图片5 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/switnex.com\/cdn\/shop\/files\/81a3BRKbh2S._SL1500.jpg?v=1768133391\" loading=\"lazy\" alt=\"Multi-way control with family\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 图片6 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/switnex.com\/cdn\/shop\/files\/71RCrkeK-4S._SL1500.jpg?v=1768133391\" loading=\"lazy\" alt=\"Bathroom waterproof wireless switch\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 图片7 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/switnex.com\/cdn\/shop\/files\/41pv2A0wvnS.jpg?v=1768133391\" loading=\"lazy\" alt=\"Fan speed remote control via 433MHz\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 图片8 --\u003e\n\u003cdiv class=\"gallery-card\"\u003e\n\u003cdiv class=\"image-wrapper\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/m.media-amazon.com\/images\/I\/8154l-Nx89S._SL1500_.jpg\" loading=\"lazy\" alt=\"Receiver installation inside electrical box\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 底部横幅图片 --\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\" class=\"gallery-3x3\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cimg style=\"width: 100%; margin-top: 1.5rem;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/cc6654f4011f8cd0b2bfed1c871c68c7.png?v=1778064861\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SWITNEX","offers":[{"title":"Default Title","offer_id":50917394088231,"sku":"AENTIA-MOT-013-DEFAUL","price":27.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/61SRw0v57YS._SL1500.jpg?v=1768133391","url":"https:\/\/shop.switnex.com\/products\/dieserc-dc-12v-wireless-relay-remote-control-switch-433mhz-rf-4-channels-relay-receiver-board-with-2-transmitters-for-truck-trunk-motor-garage-door-electric-lock-3-operating-modes","provider":"SWITNEX","version":"1.0","type":"link"}