SONOFF 4CH R3 Smart WiFi Wireless Switch Voice Control for Alexa Goole Home Description: SONOFF 4CHR3 is a 4-gang DIY WiFi Smart Switch designed to give you the ability to integrate smart control into your existing home to enable a smart home. Each smart switch has 4 gangs that can be used to control lights and other home appliances at the same time in four areas of your home. The new improvement on 4CHR3 compared with 4CHPR2 is for users to set these 3 working modes on eWeLink APP instead of the hardware itself, easier to operate. So you can enable self-locking mode to turn on/off 4 connected devices separately, interlock mode to turn on 1 connected device every time and turn off the rest of devices simultaneously and inching mode to turn on 1 connected device and then make it turn off automatically after a given time (0.5 - 3600s). For the device away from the switch, you can create a moveable space in virtue of a DIN rail to make them be connected. Simply activate devices through your voice when the switch works with for Alexa and Google Home smart assistant. Features: Remotely control connected lights or devices via APP. 3 working modes with self-locking, interlock and inching mode for even remote control garage door and roller blinds. Support scheduling a timer to make devices automatically start and stop to work. Customize smart scenes to make the device connected with the switch to trigger other devices. Share the control permission of devices to other accounts to control together. Check real-time ON/OFF status of devices on your mobile phone. Power on state allows users to set the On/Off/Keep status for the connected device before power failure and ensure it remains the arranged status after power restoration. Specifications: Voltage Range: 100-240V AC 50/60Hz Max. Load: 10A/2200W/Gang 16A/3500W/Total Wireless Frequency: WiFi 2.4GHz Wireless Standard: IEEE802.11 b/g/n 2.4GHz(2400M-2483.5M) Security Mechanism: WPA/WPA2 Enclosure Material: PC V0 Gang: 4 Dimension: about 145*90*34 (mm) Operating Temperature(recommended): -10℃-40℃(14℉-104℉) Operating Humidity: 5%-95%RH, Non-condensing Certification: CE(Download), FCC (Download) Package list: 1* SONOFF 4CH R3 Wifi Switch