The wifi zigbee smart switch Module Monitor the Power of the device which connected to the switch module. The connected Light or Electricals can be controlled via a smartphone APP, physical switch, voice control through amazon alexa/echo/dot, Google home, Yandex Alice etc. 

16A WIFI/Zigbee Smart Switch Module with Metering

Voltage: AC100-240V

Max. load: 16A, 300W for LED

Dims(WxDxH): 39.2x39.2x18 mm

WiFi 802.11 b/g/n, 2.4GHz - 2.4835GHz

Zigbee 3.0, 2.4-2.484GHz IEEE802.15.4

Certificates: CE ROHS

Warranty: 2 years