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

Technical Specifications — SWITNEX WiFi 4CH Smart Relay (WF4R) Working Voltage DC 5V or DC 7V ~ 48V (5V/12V/24V/36V/48V compatible) Max Load Current per Relay 10A (resistive load) Relay Type Dry contact, potential-free (NO, COM, NC terminals) Wireless Protocol WiFi 2.4GHz 802.11 b/g/n Working Temperature -20°C ~ +70°C Control Range Within WiFi coverage (depends on router) Standby Power < 1W Compatible Apps eWelink (iOS & Android) Voice Control Amazon Alexa, Google Home Dimensions (L×W×H) 65 × 48 × 17 mm (2.6 × 1.9 × 0.7 in) 【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. 【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. 【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. 【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. 【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. 【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. 【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. 【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. 【Add Bluetooth Remote Control】This smart switch is compatible with RM2.4G Bluetooth remote control (not included in the parcel). 🚚 ✔️ Fast Shipping Orders processed within 2 business days. Estimated delivery: 7–15 days worldwide. 🔧 ✔️ Technical Support & Installation Help Worried about installation? We provide free technical guidance. Video manuals & email support — you won’t be left alone. 💡 Don’t worry! Step-by-step installation support available ✅ 100% support: If you face any issue during wiring/pairing, our team will assist you within 24h — install with confidence.