TreeStar Electricity Usage Monitor Plug, Watt Voltage Amps Socket Meter with LCD Display
[Product Information]
High Quality Electricity Monitor - Measures Power (W), Energy (kWh), Volts(v), Amps(A), Hertz(Hz), Power Factor(PF), Maximum/Minimum Power (W), Time(t), and Cumulative Power (kWh)
Calculates Electricity Expenses based on Electricity Price per kWh. Electricity price must be manually introduced according to local tarifs. (please see the instruction)
Large LCD Display for easy data reading.
Built-in 3.6V rechargeable Battery allows Meter to keep the readings on the display while unplugged (for better view / setting up).