Note before Order: it Requires a Tuya ZigBee Gateway to Work , It can't work with ZigBee2MQTT. Please Make Sure You Have Tuya ZigBee Gateway Network configuration operations 1. Long press the left button(button 1) for 3 seconds to enter the auxiliary interface. 2. Long press the right button (button 2) for 3 seconds to make the meter enter distribution mode(The red light will flash .) 3. Open the Smart Life App,and clickt "+" to select "Smart Meter(Zigbee)" in the "Energy" category Input:AC85-270V45-65Hz Output:AC85-270V45-65Hz Max. Current:80A Wireless Protocol:Zigbee 3.0 Wireless Frequency:2.4GHZ Working Temperature:-25℃-+55℃ Colour:White Material:plastic Size:100x36x65mm Package Contents: 1 * ZigBee Energy Meter 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. Overload Protection- You Can Set Threshold Parameter on Meter, Only 2 parameter thresholds can be set Can Monitor the Consumed KWh, and Generated Kwh on App High Quality , We Tested Every Product before Delivery to Make Sure the Quality Is Reliable. Easy Installation Smart ZigBee Bidirectional Two Way Energy Meter 80A. App can show the consumed KWh and generated KWh App Real Time Monitor Power Consumption , Electricity Statistic by Hour, by Day, By Month and By Year. Real Time Monitor Energy Consumption via App