Place of Origin
Guangdong, China
Model Number
SONOFF 4CH Pro R3
Operating Temperature
0℃-40℃(32°F-104°F)
Key Feature1
smart home RF Remote Control
Key Feature2
3 Working Modes
Key Feature3
4 gang control
Control Channels
4 Channels wifi switch smart home
Voltage Range
100-240V AC(50/60Hz) / 5-24V DC
Humidity
5%-95%RH, Non-condensing
Frequency
2.4Ghz, 802.11 b/g/n & 433MHz
Supports Function
Works with Alexa & Google Home, IFTTT