Power Outlets & Sockets features: With electricity expense calculating, you can monitor which appliance cost the highest energy and how much your standby appliances cost. In this way, you can determine how to low your power consumption. Features Color:White Material:ABS+LCD Size:16.00X8.00X5.70 cm/6.29X3.14X2.24 inch Note: The battery is Not included Monitor is the killer of the high-cost energy appliance, helping you lower power consumption and save money When the power socket connects the load over 3680W, LCD on second line displays the OVERLOAD with booming noise to warn the users Compact size, small size, light weight, easy to carry Large-size and clear LCD display, easy to read, the meter allows you to accurately detect the power consumption of electrical appliances and find out which devices consume a lot of power Automatically calculate the electricity bill and measure the power consumption, voltage, current, timing, etc. of the electrical appliances used. Specification: Power consumption of the Power Meter Monitor: 0.5W Operating voltage: 230VAC Frequency display: 50HZ Operating current: max 16A Wide voltage range: 230 V-250V The set Wattage display (Watts) is 0W~9999W; but the real Wattage display (Watts) is 0~3680 W Timing display range: 0 second~9999 days Voltage display range: 0V~9999V Current display (amps): 0.000A~16.000A Frequency display: 0 HZ~9999 Hz Price display range: 0.00COST/KWH99.99COST/KWH Total KWh and cost display: 0.000KWh-99KWh, 0.00COST-9999COST.