Working voltage: AC 90-250V, 50/60Hz Rated power: 10A/2200W Own power consumption: ≤0.5W Control channel: 1CH Working temperature: 0 - 55c App: eWelink Transmission: WIFI 2.4G WIFI Frequency: IEEE 802.11b/g/n Size: 103*46*43mm Can work with AM2301 Temperature And Humidity Sensor