1、Multi-function, which can be used to measure altering current voltage, current, active power, power factor, frequency and electric energy. 2、Adopts colorful LCD display, large font, full-view, you can see the data clearly. 3、Two types optional, you can choose AC40-300V 100A and AC250-450V 100A according to your demands. 4、AC40-300V for measuring AC110V or AC220V household electricity. 5、AC250-450V for measuring AC380V three-phase electricity. 6、Easy installation, simple and convenient. 7、Wide applications, suitable for chemical industry, power station, automation equipment, DOS system, electromechanical device and etc.. This multi-function digital meter can measure altering current voltage, current, active power, power factor, frequency and electric energy. Adopts colorful LCD display, large font, full-view, you can see the data clearly. Two types optional, you can choose AC40-300V and AC250-450V according to your demands. Wide applications, suitable for chemical industry, power station, automation equipment, DOS system, electromechanical device and etc.. You can have a try. Features: Multi-function, which can be used to measure altering current voltage, current, active power, power factor, frequency and electric energy. Adopts colorful LCD display, large font, full-view, you can see the data clearly. Two types optional, you can choose AC40-300V 100A and AC250-450V 100A according to your demands. AC40-300V for measuring AC110V or AC220V household electricity. AC250-450V for measuring AC380V three-phase electricity. Easy installation, simple and convenient. Wide applications, suitable for chemical industry, power station, automation equipment, DOS system, electromechanical device and etc.. Specifications: Name: Energy Meter Material: plastics Type: AC40-300V 100A, AC250-450V 100A (optional) Current: AC0.00-100.0A Frequency: 45.0Hz-65.0Hz Active power: 0.0-30000W(AC40-300V), 0.0-45000W(AC250-450V) Electric energy: 0-99999kwh Power factor: 0.00-1.00PF Testing speed: 2 times per second Item size: 54 * 64 * 80mm / 2.13 * 2.52 * 3.15in Package size: 85 * 65 * 60mm / 3.35 * 2.56 * 2.36in Package weight: 150g / 5.29ounce Packing List: 1 * Energy Meter 1 * Energy Meter