Features: 1DIGITAL LCD DISPLAY: Power meter socket has a large clear LCD display that is easy to read and enables better power monitoring. 2REDUCE ENERGY CONSUMPTION: Power meter is a important device for high cost energy appliances helping you reduce energy consumption. 3ALARM FUNCTION: Electricity analyzer has alarm functions such as overload alarm power consumption alarm cost alarm and LED light indication. 4OVERLOAD PROTECTION: When the whole power exceeds the rated power of the monitor the LCD screen will display overload accompanied by a rumbling noise to remind the user. 5MEASUREMENT PARAMETERS: Power (W) energy (kWh) voltage amperage power factor cost minimum and maximum power ideal for energy consumption monitoring. Specification: Item Type: Power Meter SocketMaterial: ABSProduct Size: Approx. 16x7x7.2cm / 6.3x2.76x2.83inUse: Power MeasurementBattery Type: Button Battery (with Built in Battery Delivery) Battery Type: NiMHBattery Nominal Capacity (unit: MAh): 20AC Frequency: 50HzOperating Current: Maximum 13A Wattage Display (Wattage): 02900WCurrent Display (AMPS): 0.013.0AGross Weight: 207g/7.3oz Package List: 1 x PowerMeterSocket Note: All data are measured manually and there are certain errors in the measurement results.