Supports Zigbee2MQTT and Home AistantEnergy Metering:The switch can record power usage in real time. You can view the monthly electricity consumption with the APP, which is convenient for you to make electricity consumption plans to reduce electricity bills.Support Two-way Control:This smart DIY switch could be used for your old 2 way control switch. Especially, you still available to control the old switch manually after isntalled it.App Remote Control:Remote control lighting or home appliances via Smart Life app from anywhere at anytime.Voice Control:The ZigBee DIY switch works with Alexa, Hey Google and Yandex Alice to conveniently control your home appliances with simple voice command when you are on go.Timer Schedule:Create schedules to automatically turn the home appliances or lighting on/off. Helping you saving energy and electric fee.Relay Status Setting:Never worry about power failure, you can set this switch to restore the state after power on.Smart Scene:Creating your own scene to trigger ON/OFF home appliances by departure mode, home mode, temperature, humidity, or other environmental conditions.Group Control:Set all of your smart switches in a group by Smart Life app. Then one-click to turn/off all of your appliances or lighting by smartphone.Tuya ZigBee Hub Required:A Tuya ZigBee hub is a must to the ZigBee smart switch for app remote control and voice control. Also, you can link other Tuya ZigBee products with the hub to realize a complete smart home system for your house. SPECIFICATION: Shell Material: PC/Flammability Rating: V0Rated Voltage: 100~240V 50/60HzRated Current: 16ARated Power: 3520WSize: 39.2*39.2*18mmPhysical Two-way Control: SupportZigBee Standard: IEEE 802.15.4Operation Humidity: 90%Operation Temperature: -10~40App: TuyaSmart/Smart LifeVoice Control: Compatible with Alexa Yandex Alice and Hey Google Warm Tip If the power monitoring function is not working, the problem is that your Tuya ZigBee hub needs to update.Please contact to our after-sales and send the PID of the Tuya ZigBee hub. We will push a update notification to your app soon, then the problem will be solved after updated.