Safety performance - LCD display shows overload warning. When the current exceeds 16A or the power exceeds 3680W, the “OVERLOAD” icon on the LCD screen will flash to warn the user and automatically disconnect the power supply 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 Point Multi-function debit plug - monitor power (w), energy (kwh), voltage (V), amperage (A), power factor, cost and minimum and maximum power, very suitable for monitoring the power consumption of home appliances, so maximum Save power to the limit. Real-time monitoring - Operate the COST, FUNCTION, UP and DOWN according to the instructions to set the electricity price. You can monitor energy consumption and electricity bills 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 power consumption and save money for a long time. Data Retention Function - With 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. Large backlit LCD display - the rate socket Features a large, clear, easy-to-read backlit LCD display that is easy to read and record data, especially in the dark, allowing you to understand the data clearly.