Energy monitor, KWh Meter , Consumption, Electricity Statistic App remote control and Voice Control Timing Schedule/countdown/Circulate/Random Group control Share device to other family member Wide Range Voltage Input/Output:100V-240VAC 50/60Hz Max. Load:16A Wireless tape:2.4G WiFi WiFi standard:IEEE 802.11 b/g 2.4GHz Wireless Type:ZigBee, (Tuya ZigBee Gateway Is Must to Work) Shell material:V0 Flame retardant PC App:Tuya Smart/Smart Life Works with:for Home for Installation:Din Rail Mount or Build in Wall Box Device Status after Power Back On:Default ON, Default OFF, or Remember last status Overload Protection:if current over 17A, Turn off Automatically Supports:Zigbee2MQTT and Home Assistant Smart scenes, automation 16A load most household devices 16A Mini Size and Energy Monitor and Electricity Statistic 16A can Load Most Household Devices. Real Time Monitor Power Comsuption and Stastic Electricity Daily Weekly and Save Money Please make sure you have Tuya ZigBee Gateway, it's must required for the module to work. Colour:White Material:PC Size:46x46x18mm Package Contents: 2 x Electricity Energy Monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.