The Aqara Smart Wall Switch H1 EU (With Neutral) is based on the Zigbee 3.0 wireless communication protocol and is a smart switch for switching lamps and other connected devices on and off. Once connected to a Zigbee hub, it can implement timed control, power detection, power statistics and other functions and work with other smart devices in smart home automations.
Features:

Energy metering
Zigbee 3.0
Replaces normal wall switch
Suitable for round installation boxes
Power supply: 100-250VAC, 50/60Hz
Switching current: Max. 8A (resistive load), μ
Operating temperature: 0°C～40°C
Humidity: 0%~95% RH, non-condensing