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: 1 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. NEW ARRIVAL Tuya ZigBee Smart Energy Meter with Clamp 80A Please Note this Item Requires a Tuya ZigBee to Work, If You 't Have This , Please Click Picture to Buy One Specifications: From the APP You Can Read: Hourly Elec. (KWh) Weekly Elec. (KWh) on 'Smart' Page, Daily Elec. (KWh), on 'Smart' Page, Monthly Elec. (KWh) on 'Smart' Page,Current Ele(mA),Current Power(W),Current Voltage(V) Please note it's not bidirectional meter, it can only measure the power. and only show positive data on App.