{"product_id":"switnex-4-channels-wifi-smart-switch-dc-5v-12v-24v-36v-passive-output-relay-module-ewelink-app-wifi-control-compatible-with-alexa-google-home-inching-self-locking-switch","title":"SWITNEX 4 Channels WiFi Smart Switch, DC 5V 12V 24V 36V Passive Output Relay Module Ewelink APP WiFi Control Compatible with Alexa\/Google Home, Inching\/Self-Locking Switch","description":"\u003cstyle type=\"text\/css\"\u003e\n\/* 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;\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%;\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;\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;\n}\n.specs-table th,\n.specs-table td {\n    padding: 1rem 1.2rem;\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@media (max-width: 640px) {\n    .specs-table th, .specs-table td {\n        padding: 0.8rem 1rem;\n        font-size: 1rem;\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;\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;\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}\nhr {\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 WiFi 4CH Smart Relay (WF4R)\u003c\/div\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Voltage\u003c\/th\u003e\n\u003ctd\u003eDC 5V or DC 7V ~ 48V (5V\/12V\/24V\/36V\/48V compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Load Current per Relay\u003c\/th\u003e\n\u003ctd\u003e10A (resistive load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRelay Type\u003c\/th\u003e\n\u003ctd\u003eDry contact, potential-free (NO, COM, NC terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWireless Protocol\u003c\/th\u003e\n\u003ctd\u003eWiFi 2.4GHz 802.11 b\/g\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking Temperature\u003c\/th\u003e\n\u003ctd\u003e-20°C ~ +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl Range\u003c\/th\u003e\n\u003ctd\u003eWithin WiFi coverage (depends on router)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandby Power\u003c\/th\u003e\n\u003ctd\u003e\u0026lt; 1W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Apps\u003c\/th\u003e\n\u003ctd\u003eeWelink (iOS \u0026amp; Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoice Control\u003c\/th\u003e\n\u003ctd\u003eAmazon Alexa, Google Home\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (L×W×H)\u003c\/th\u003e\n\u003ctd\u003e65 × 48 × 17 mm (2.6 × 1.9 × 0.7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- 产品特性列表（根据用户提供的描述） --\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【Excellence design】Wireless WiFi smart switch relay module. Stable and reliable performance with high reception sensitivity (2.4GHz WiFi). You can remotely operate every machine connected with the relay receiver through the Internet from wherever on the earth.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【APP control】This smart switch is compatible with \"eWelink\" APP, which is popular and widely used on the market. Connect this smart switch directly to your Wi-Fi network to achieve unlimited wireless control via your phone (Android and iOS). And also the smart switch is compatible with Amazon Alexa (Amazon Echo \/ Dot \/ Spot) and Google Home. It is able to achieve several kinds of intelligent controls.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Easy to Use】There are 2 operating modes (inching\/toggle mode) that can be set up. It can work as a pulse switch (a button) or a switch (a toggle switch). You can easily program it by yourself depending on your needs. The operating mode of the smart switch is adjustable.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【More Flexibility】There are 4 independent relays on the controller, so you can control each of them independently. This controller adopts 10A high-quality relays, making it more long-lasting and stable to use. There are 3 terminals (normally open, common, normally closed) for each relay. This is a potential-free contacts relay. Passive output, dry contacts. The receiver is suitable for DC 5V or DC 7V~48V voltage, so DC 5V\/12V\/24V\/36V\/48V are all OK.\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, and so on. You can remotely operate every device connected with the WiFi smart switch through your phone, such as garage door opener systems, electric locks, electromagnetic doors, lamps, lighting, contactors, signal transmission, and DIY remote control switches.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Easy to install】The size of the smart switch is 65*48*17 mm (2.6*1.9*0.7 in). It can be easily hidden in most electrical boxes or junction boxes. You can install it without difficulty.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【APP Function】It can achieve most intelligent controls: setting schedules and timers. You can share control of the connected smart switch with the whole family.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Other extended functions】The smart switch is compatible with Amazon Alexa (Amazon Echo \/ Dot \/ Spot) and Google Home, so you can enjoy voice control. For example, use the command: \"Alexa, turn on the light.\" It is also linked with a variety of sensors – you can find them on the eWelink APP.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Add Bluetooth Remote Control】This smart switch is compatible with RM2.4G Bluetooth remote control (not included in the parcel).\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\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，图片部分完全保留原样） ========= --\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:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-2_e9ae1681-6513-47af-853f-7498058283f9_1000x.jpg?v=1778898739#\" 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:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-3_8d7ab4c3-e6d8-42c3-8674-e1871a87d6d5_1000x.jpg?v=1778898739#\" 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 style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-3_8d7ab4c3-e6d8-42c3-8674-e1871a87d6d5_1000x.jpg?v=1778898739#\" loading=\"lazy\" alt=\"Water pump remote control automation\"\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 style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-0_6c727fed-1e11-40b6-b694-de8b41e9f153_1000x.jpg?v=1778898739#\" loading=\"lazy\" alt=\"DIY wireless plug installation\"\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 style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-8_1000x.jpg?v=1778898739#\" loading=\"lazy\" alt=\"Multi-way control with family\"\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 style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-9_1000x.jpg?v=1778898739#\" loading=\"lazy\" alt=\"Bathroom waterproof wireless switch\"\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 style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-7_1000x.jpg?v=1778898739#\" loading=\"lazy\" alt=\"Fan speed remote control via 433MHz\"\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:\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/1-6_9ec5095c-0a6a-46e7-b62a-8c13d21d2ce6_1000x.jpg?v=1778898738#\" 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（完全保留原样） --\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":"EW-4CH","offer_id":51395458957607,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true},{"title":"EW-1CH","offer_id":51395458990375,"sku":null,"price":13.99,"currency_code":"USD","in_stock":true},{"title":"EW-2CH","offer_id":51395459023143,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"TEW-2CHx2","offer_id":51395459055911,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true},{"title":"Remote Control","offer_id":51395459088679,"sku":null,"price":11.99,"currency_code":"USD","in_stock":true},{"title":"TEW-1CHx4","offer_id":51395459121447,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"TEW-4CHx1","offer_id":51395459154215,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/0168\/4263\/files\/SKU-03-SKU-03-EW-4CH.jpg?v=1778805957","url":"https:\/\/shop.switnex.com\/pt\/products\/switnex-4-channels-wifi-smart-switch-dc-5v-12v-24v-36v-passive-output-relay-module-ewelink-app-wifi-control-compatible-with-alexa-google-home-inching-self-locking-switch","provider":"SWITNEX","version":"1.0","type":"link"}