Wattmeter Socket Energy MeterPower Consumption with 7 Monitoring Modes, Backlit LCD Display, Overload ProtectionConsumption MeterThe energy saving assistant of your lifeReal-time measurement of household appliances to reduce energy costs.Built-in 1.2V rechargeable battery (NI-MH) for electricity storage and power saving setting.Large clear LCD screen, 180 viewing without blind spots, with backlight, clearly visible day and night.7 Monitoring Modes with Multiple Data. Ideal for many appliances, such as computer, air conditioner, refrigerator, dishwasher, microwave, Christmas decoration etc.+ productBacklightingAdded backlight for better visibility of numbers and letters, making it easier to record data in the dark or set the consumption meter.Saving Energy and MoneyWith the energy crisis situation, use this power monitor at home, office or even in industry to make your life more economical.Overload WarningOverload Warning, When the current exceeds 16A or the power exceeds 3680W, the icon OVERLOAD on the LCD screen is constantly flashing.Features1. To ensure safety, please read the instructions carefully or keep in touch with us before using.2. The LCD backlight will automatically turn off after 10 seconds of inactivity, you can press any button to turn it back on.3. With a built-in battery, for the first use or if you have not used the device for a long time, you may need to plug it into a power outlet to recharge the battery.4. If the LCD screen has abnormalities or the function keys do not work after being pressed, you can use the pin to press the button "RESET to reset the power meter.5. The time displayed on the screen is the operating time. For intermittently operating household appliances, such as the freezer, please record the actual time.