SONOFF 4CH PRO R3 is a 4-gang Wi-Fi Smart Switch designed to give you the ability to integrate smart control into your existing home over Wi-Fi or with an RM433 remote. It has 4 separate sets of dry contacts that can be used to control lights and other home appliances.

So you can enable self-locking mode to turn on/off 4 connected devices independently, 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 to 3600s).

Features

• Remotely control connected lights or devices via the app
• 3 working modes with self-locking, interlock and inching mode
• 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 the 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 a power failure and ensure it remains in the arranged status after power restoration

Specifications

• Voltage Range: 100-240Vac 50/60Hz OR 9-23Vdc
• Max. Load: 10A/2200W per Gang or 40A Total Concurrent draw
• Wireless Standard: IEEE802.11 b/g/n 2.4GHz WPA/WPA2
• Enclosure Material: PC V0
• Gang: 4
• Dimension: 145 x 90 x 34mm
• Operating Temperature (recommended): -10ºC to 40ºC (14°F to 104°F)
• Operating Humidity: 5%-95%RH, Non-condensing