SONOFF RFR2 Upgraded RF 433Mhz + WiFi Wireless Smart Switch for eWelink APP Automation Modules Work with Alexa Google Home.

Voltage Input: 90-250V AC(50/60Hz)
Max. Current: 10A
Max. Power: 2200W
Dimensions: 88*38*23mm (L*W*H)
Wireless Standard: 802.11 b/g/n & 433.92MHz RF
Humidity: 5%-90%RH, Non-condensing
Operating Temperature: 0ºC-40ºC(32°F-104°F)
Enclosure Material: Fire-retardant ABS V0
Weight: 52.0g
Gang: 1
Color: White