Power Meter Wattmeter Socket, Electric Power Meter Socket with 7 Mode, Energy Meter with LCD Display Screen for Energy Saving, 3680W-color as shown Size： 16.51 x 8.38 x 7.62cm Weight：240 grams Safety performance - LCD display shows overload warning. When the current exceeds 16A or the power exceeds 3680W, the “OVERLOAD” icon on the LCD will flash to warn the user and automatically disconnect the power electric to ensure the safety of household electricity; when the detected power value is less than 1.0W, it is regarded as machine power consumption and does not accumulate time. Bullet PointDebit card multi-function - monitor power (w), energy (kwh), voltage (V), amperage (A), power factor, cost and minimum and maximum power, very suitable for monitoring power consumption appliance energy, so maximum Save energy to the limit. Real-time monitoring - Operate the COST, FUNCTION, UP and DOWN buttons according to the instructions to set the electricity price. You can monitor energy consumption and bills electricity in real time. You can determine the cost of the backup device, the power factor, if the device is actually loaded, and if the device is loaded. Help you reduce energy consumption and save money for a long time.Data retention function - with the memory data retention function, unplug the device from the power meter or unplug the power timer from the power outlet, the final data will be saved and the meter can be moved and viewed without losing data. data, especially in the dark, allowing you to understand the data clearly.