Energy Cost Meter features an oversized LCD screen with 3 on-screen parameters. The first line is Time, the second line is Voltage, Current, Frequency, Power Factor, Overload Watts and Current Power, the third line is Accumulated Cost, Electricity Price, Accumulated Days, Carbon Dioxide Accumulation and Cumulative Load. Multiple uses: Electricity meter for sockets measures the power consumption of the devices used, voltage, electricityamount of carbon dioxide and automatically calculates electricity bills. Suitable for computers, game consoles, printers, TVs, set-top boxes, routers, Hi-Fi systems, DVD/Blu-ray players or espresso machines, etc. Overload protection: When the total output exceeds the rated output of the electricity meter , LCD shows "overload" and flashes continuouslyto warn the user. ideal for monitoring the energy consumption of household appliances. Monitor the electricity consumption: The electricity meter measures the electricity consumption, carbon emissions and electricity bills of the device, effectively tracks the electricity consumption and reduces the electricity bills and carbon emissions. If the electricity meter encounters an exception or the button does not respond, you need to reset the device. Just press the "Reset" button to reset it. The material of the energy cost meter is made of fireproof ABS plastic.