★4 CH Features: Two working voltage: USB 5V or AC/DC 7V-32V With signal instruction light and relay pull-on instruction light Power < 1W, and quiescent current:80mA Cutover current 10A 2200W/1 channe, Cutover voltage< 250V Max load:16A 3500W/4 Channel Working Temperature: -40 to 70 degree Working Humidity: 40% to 80% RH Function: 1 Default inching Function: Press the open relay by mobile phone, then cut off the pull-on immediately(default one second), it has the timing-share function at the same time. 2. Self-locking mode: Turn on/off 4 connected devices separately. 3. Interlock mode: Turn on one device every time, and turn off others at the same time. Feature: Independently control 4 devices: you can remotely turn on/off 4 home appliances independently Set 8 time schedules for automatic control: It can create 8 enabled single/repeat/ countdown timers to automatically turn on/off devices at the specified time. And the timers can run themselves even the network is unavailable Sync Status:Real-time devices status provided to App Voice control Wifi smart switch can work perfectly with Alexa-enabled devices like Echo/Tap/Dot, as well as Google home. Just with a simply voice command, Alexa or Google Assistant will work for you, turning on/off the connected devices at once. Control home appliances or electrical devices with your voice like this: “Alexa, turn on the light.” “Alexa, turn on Garage door.” “Hey Google, turn off the bedroom light.” ★2 CH Features: working voltage: AC/DC 5-32V Remote ON/OFF–Turn electrical devices on/off from anywhere App Support –Free iOS and Android mobile App eWeLink Sync Status–Real-time device status provided to App Share Control–Control your smart home together with your family Timing–Set scheduled/countdown timers to turn on/off at specified time Scene–Turn on/off a gang of devices with one tap Smart Scene–Trigger on/off by temperature, humidity or other environmental conditions Network Support –Control electronic devices over Wi-Fi or 2/3/4G mobile network Voice Control –Works perfectly with Amazon Alexa, Google Home(Stay turned) Cutover current< 10A , 10A Relay Model Function: 1. Default inching Function: Press the open relay by mobile phone, then cut off the pull-on immediately(default one second), it has the timing-share function at the same time. 2. Self-locking when press the inching and locking button with the light on.set working mode as channel,you can set 1 channel on/off mode,another with inching mode and adjust inching time from 0.5 second to 1 hour in ewelink app KINDLY TIPS It support 2.4G WIFI only,if your router with dual bands and same SSID,please close 5G firstly.Once the relay is powered on,it will got to quick pairing mode,light flahs 2 short 1 long.And if you continue to long press the pairing button ,it will go to compatible mode with light quickly flash ★1CH Description: 1 channel 12V Smart life/Tuya app wifi Relay support 2.4G WIFI only,if your router with dual bands and same SSID,please close 5G firstly.Usually once the relay was powered on,light will flash quickly,it will go to quick pairing mode automatically,no need to long press the pairing button,tap + in smart life app,it will find your SSID,enter the correct password of your wifi network.please make sure to put the relay close to your router and your phone have to connect to the same 2.4G WIFI when pairing.If it doesn't work.please long press the pairing button until light slowly flash,configure it with compatible mode. The WIFI Relay Module supports inching /self-locking mode and extra 433mhz RF function.Users can add the device to the Smart life/Tuya APP to remote 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: Turn on 1s and then auto-off Turn off 1s and then auto-on. This product Compatible with Alexa. The relay work as button, without voltage output, the power supply input (AC/DC) just for the PCBA The product enables remote control of home appliances through the mobile application Smart life, available on both Android and iOS. Supported functions include: Remote turn on/off Timing schedules Device sharing Group management Reminder: Power Supply: DC 5V with Micro USB or hard wired 7-32V