Specification: This mainly used to test energy saving products information like power, power factor, total electricity consumption, total testing time and other project test. Connect the computer via USB port, you can check testing information and copy them to your computer, and then you can analyze the information. Feature: - It can meet the IEC, ANSI and JIS industry standard. - It can long-time test, and stable performance. - Copy and analyze testing data via USB connecting. Detailed Information: Model: HP-9800 Voltage: 100V-240V AC 50/60Hz Power: <1W Size: 20X 20 X 3.5cm Weight: 800g Menus & Button: RPC: Annual Electricity Consumption H -: Active Energy RH-: Reactive Energy L-UP: Power Alarm Upper Limit Short Press: Press the button time <1 second Press: Press the time button> 2 seconds Note: 1.Please allow 2-3mm differences due to manual measurement. Package Include - 1 * USB Electric Power Tester - 1 * E27 Large Spiral Lamp Holder - 1 * GU10 Lamp Holder Conversion - 1 * E14 Small Screw Lamp Holder - 1 * T8 Cable