Watt Power Meter Plug-in Socket Power Meter, Home Electrical Usage Monitor Consumption, Kilowatt Wattage Voltage AMP Tester with Backlight Overload Protection

PLUG IN DESIGN: Simply plug the meter into the wall socket then plug the appliance into the power meter; It helps user in saving money and energy by identifying power consumption of each appliance; It has wide working voltage range of 100 to 260V | DISPLAY: Large LCD display with backlight function making it easy to read data even in the dark. Screen shows the Watt; Current; Voltage; Frequency; Power Factor and CO2 emission volume | OPERATION: Button is designed for easy operation and very convenient for daily monitoring of electrical appliances thus making the energy consumption clear | OVERLOAD PROTECTION: If the power of the electrical appliance exceeds the setting value of power alarm upper limit; the backlight will flicker to indicate user that the power exceeds the limit | USAGE: Can be used in schools; offices; laboratories; factories and even in the home in monitoring power consumption of a connected or standby appliance