Please note that this item requires a Tuya ZigBee gateway to work. Specifications From the app you can read: Hourly Elec. (KWh) Weekly Elec. (KWh) on the "Smart" page Daily Elec. (KWh), on the "Smart" page Monthly Elec. (KWh) on the "Smart" page Current Ele. (mA), Current Power (W), Current Voltage (V), Please note that this is not a bidirectional meter, it can only measure the consumed power. And only display positive data on the app. Technical Data: Rated Voltage: 100-240V AC 50/60Hz Measurable Current Range: 0.2A-80A Protocol: ZigBee WiFi Frequency: 2.4GHz (does not support 5Ghz) Ambient Temperature Range: -10 ��C ~ 55 �� App Monitors real-time energy consumption in kWh. Voltage, current, and power, can also monitor the working status of the device Electricity and Cost Statistics You can view daily, weekly, monthly, kWh and electricity consumption costs. During the period in the application Automation, It allows you to make a scene for this device by working with other Tuya devices