Functional and practical: EU-type power consumption meters can monitor voltage (Vol), current (Amp), power (W), energy (KWh), frequency (Hz), power factor, cost, maximum power, minimum power, etc. Perfect for monitoring the energy consumption of household appliances. Up to 3680W, suitable for various applications, washing machines, washing machines, coffee makers, ovens, toasters, game consoles, printers, TVs, DVDs, etc. Overload alarm: 3680W/16A overload protection, when the current exceeds 16A or the charging power exceeds 3680W, the energy meter will stop immediately, and the word "OVERLOAD" will be displayed on the screen and flash to warn you. Easy to use: Press the "FUNC" button to select the monitoring mode. Press the "COST" button to set the electricity price from 00.00 COST/KWh ~ 99.99 COST/KWh. The "UP" and "DOWN" buttons to adjust the price. Note: "date and time" is only calculated if the device is turned on with more than 2 watts. (This is not counted when the device is in standby mode). Real-time monitoring of energy consumption: Simply connect the energy meter between the device and a socket, and you can find out exactly how much electricity different parts of your home use and how much it will cost. Use this energy meter to monitor your energy consumption in real-time. Your energy-saving assistant, helps you reduce the cost of electricity. User-friendly design: The energy meter has a large LCD screen and control buttons. Clear operation, easy to use. The wide, comprehensive view ensures easy reading. With built-in battery backup, it can retain the previous data on power mode and device price you set last time even if it fails or is not used. No need to reset every time.