1、ELECTRICITY USAGE MONITOR: Monitor which appliance is the killer of the high cost of energy, help you save energy and your money 2、ELECTRICITY USAGE MONITOR: Monitor which appliance is the killer of the high cost of energy, help you save energy and your money 3、OVERLOAD PROTECTION: When the whole power exceeds the rated power of monitor, LCD will display 4、VARIOUS PARAMETERS: Power(W), Energy (kWh), Voltage, Amps, Power Factor, Cost and Minimum & Maximum Power, Ideal for energy consumption monitor of home appliances 5、VARIOUS PARAMETERS: Power(W), Energy (kWh), Voltage, Amps, Power Factor, Cost and Minimum & Maximum Power, Ideal for energy consumption monitor of home appliances NOTICES: 1.Mode 7 can directly occur while press down the button cost 2.Please read the numbers on the front angle of the LCD screen, not from the side view 3 .If an abnormal display appears or the buttons produce no response, the instrument must be reset. You can press the RESET button to reset it SPECIFICATIONS: Frequency Display- 60Hz Dimensions- 6.1''x 2.8''x 1.2'' Operating Current-Max 15A Operating Voltage-120V AC Frequency Display-0Hz~9999Hz Wide Voltage Range- 110V-130V Voltage Display Range-0V-9999V Current Display (amps)- 0.000A- 15.000A Timing Display Range- 0 second~9999 days Price Display Range- 0.00COST/KWH- 99.99COST/KWH PACKAGE:  1 X Power Meter 1 X User Manual