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)

Key features

• [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 0.5-3600s later in inching mode.
• [Quick to Access 3 Working Modes] : Compared with 4CHPROR2, you can access self-locking, interlock and inching mode on APP directly.
• [Easy to Out-of-Reach Devices]: Mounted on the guide rail, convenient to connect and control devices far from the switch
• [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.(Only eWeLink advanced users have access to IFTTT, Costs 9.9USD and you will enjoy a full year of the privilege.)