Features: 1Equipped with a largescreen digital LCD display high definition easy to read the value. 2Power consumption monitor can detect power consumption and reduce unnecessary energy consumption. 3It has alarm functions such as overload alarm electricity alarm cost alarm and LED indicator. 4When the entire power exceeds the rated power of the monitor the screen displays overload with an audio reminder. 5Support measurement of power (W) energy (kWh) voltage amperage power factor cost minimum and maximum power. Specification: Item Type: Power Meter SocketMaterial: ABSWeight: Approx. 220g / 7.8ozProduct Size: Approx. 15.5x7x6.5cm / 6.1x2.8x2.6inBattery Type: Ni-MH BatteryBattery Model: NIMHNominal Battery Capacity: 2200mAhEnergy Meter Display Power Consumption: 0.5WHigh Frequency Display: 50HzTiming Display Range: 0s-9999 DaysHigh Frequency Display: 0Hz-9999HzPrice Display Range: 0.00COST/KWH-99.99COST/KWHTotal KWh and Cost Display: 0.000KWh-9999KWh Package List: 1 x Power Meter Socket1 x English Manual Note: 1.Please allow 01 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.