Technical data: Rated Voltage:100-240V AC 50/60Hz Measurable Current Range: 0.2A-80A Protocal: ZigBee WiFi Frequency: 2.4GHZ (Not Support 5Ghz) Ambient Temperature Range:-10°C ~ 55°C App Real Time Monitor Energy Consumed KWh. Voltage, Current, and Power, also can Monitor Device Working Status Electricity and Cost Statistic You can view daily , weekly , monthly, KWh and Electricity Costs Consumed .During the Period in App Automation , It allows to make a Scene for this device working with other tuya devices Set Automation for the Measured Device , For example, If Power or Current Is over the Value, then other tuya device starts to work . Automation. send a notification Non-connect to , Easy and Safe to Install No need to change the wires, Just put the wire into the clamp, then it can measure, very easy. Small Size Module , Easy to Install Color: White Material: plastic Package Contents: 3 x ZigBee Smart 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. For ZigBee Energy Meter For Tuya Smart Life Energy Meter KWh Power Monitor Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.