This product needs to be used with tuya ZigBee gateway, please confirm before buying Product Features 1.20A high powerOnly available with sockets with this function According to 220V voltage calculation, the maximum power can be 4400W, which can be used for water heaters, air conditioners, and other high-power equipment. It is safer than 16A and has more application scenarios. 2.Electricity statistics View energy reports to properly track energy usage around your home. Know which devices consume the most energy, and make plans to save energy and electricity bills. 3.Overcharge protection If the power is exceeded, the power will be cut off automatically to protect the electrical appliances and maximize the lifespan. 4.Set schedule Turn the connected device on and off at the specified time. Schedule the living room fan to turn on in the morning or schedule your childs light to turn off to let them know its time to go to bed.The countdown function allows you to set a timer that automatically turns off, so you dont have to doubt whether you have unplugged the device. 5.Voice control Smart plugs can be used with devices supported by Alexa and Google Assistant for easy voice control.