SONOFF RE5V1C-5V Wifi Inching/Selflock Relay Switch Module Work With EWelink APP Smart Home DIY Control Switch<br> Long story in short, it's a 5V wifi inching/selflock relay module by SONOFF.<br> <br> Just like a standard SONOFF switch, you can use it to work with eWelink app, Alexa, Google Home, IFTTT..etc.<br> <br> <br> <br> The 5VDC input, nano size and dry-contact output makes it different from traditional SONOFF product, this product is a wireless switch supports inching /self-locking mode. Users can add the device to the APP eWeLink in order to remotely control connected home appliances or devices. In self-locking mode, customers can remotely turn on/off connected devices immediately. When in inching mode, customers can have two wiring ways to select:<br> <br> Turn on 1s and then auto-off<br> Turn off 1s and then auto-on.<br> The product enables remote control of home appliances through the mobile application eWeLink, available on both Android and iOS. Supported functions include:<br> <br> Remote turn on/off<br> Timing Schedules<br> Device Sharing<br> Group Management<br> Works with Echo, Echo Dot, Tap<br> Works with Google Home, Google Nest<br> Works with IFTTT<br> <br> Works With Alexa<br> This product works with Alexa. You can ask Alexa to control the device with the following voice commands. Please note that only US/UK English and German voice commands are supported now.<br> <br> Try out these phrases ( {deviceName} should be the name of your device):<br> <br> Alexa, turn on {deviceName}<br> Alexa, turn off {deviceName}<br> Alexa, turn {deviceName} off<br> Alexa, turn {deviceName} on<br> <br> Alexa, schalte Gerätename ein<br> Alexa, schalte Gerätename aus