SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Works with Alexa(1 Pack)

Independently control 4 devices: It is the new 4-channel design which can make you remotely turn on/off 4 home appliances independently., 3 powerful working modes : Turn on/off the 4 connected devices separately in self-locking mode. Turn on 1 device but turn off other 3 devices at the same time in interlock mode. Turn on the connected devices but automatically switch off after 1-16s later in inching mode., 2 remote control methods for your choose : you can turn on/off the connected lights/appliances via WiFi or 433MHz RF Remote control., 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., Works with Alexa & Google Home,IFTTT Supporting: Link "EWeLink Smart Home Fan" skill. You can directly ask Amazon Echo/Echo Dot/Amazon Tap to turn on/off your Sonoff devices.Link "Smart We Link" on Google Home app, start to voice control your Sonoff devices on Google Home.