Sonoff 4CH PRO R3 Smart Home 4 Channel WiFi RF 433MHz Switch

Sonoff 4CH PRO R3 Smart Home 4 Channel WiFi RF 433MHz Switch

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(DC:
9-23V)
Max. Load: 10A/2200W/Gang 40A/8800W/Total
Wireless Frequency: WiFi 2.4GHz
Wireless Standard: IEEE802.11 b/g/n 2.4GHz2.4GHz(2400M-2483.5M); 
Security Mechanism: WPA/WPA2
Enclosure Material: PCV0
Gang: 4
Dimension:145*90*34 (mm)
Operating Temperature(recommended): -10ºC-40ºC(14°F-104°F)
Operating Humidity: 5%-95%RH, Non-condensing