Specification:

Brand: SONOFF
Product Type: Dual Relay Two Way Power Metering Smart Switch
Power Supply: Power Supply
Resistive Load: 3300W/15A/Total, 2200W/10A/Gang
Motor Load: 10-240W/1A
Max Power: 3300W(total) / 2200W(1 gang)
Product Dimensions: 54*49*24mm
Color: White
Frequency: 802.11 b/g/n
Security Mechanism: WPA-PSK/WPA2-PSK
Humidity: 5%-95%RH, Non-condensing
Enclosure Material: Fire-retardant PC V0
Operating Temperature: -10ºC-40ºC
Switch Channel: Dual
Certified Compliance: TUV, CE, FCC
Works With: Amazon Alexa, Google Assistant