Monitoring the current active power. Monitoring the current voltage/current/frequency. Record powering time and the total power consumption. Calculate Carbon dioxide's emissions (0.555kg CO2 may be generated from 1 KWH powerconsumption). Power factor detection;Setting overload threshold; Large LCD display; Plug type: EU Standard. Specification: Adapter Power: 220V 50Hz Max 1A (Less than 220W) Working voltage range: 180V~260V Measuring range: 0.1W~220W Max cumulative power: 99999KWh Max cumulative time: 99999 minutes Power factor: 0.001~1.000 Pricision: 1.0 Constant: 6400imp/kWh Power consumption:<1W Opetating temperature: 0~ 45 Celsius Degree Storage temperature: -20~60 Celsius Degree Backlight turne off automatically afer 10 seconds Package Includes: 1 Piece Digital Power Energy Meter 1 Piece English User Manual