Features: Energy Meter 4 in 1: Voltages measuring ranges: AC50-300Volt, Current measuring ranges: 0-100A, Power: 0-30KW, Electric energy: 0-1999kWh. The electricity consumption data will be stored when power offs. Press the resets button for 5s, this kwh usage meter will be reseted. This single phase power consumption meter features high quality ABS flame resistant material and percision chip, making it safe to use. Beautiful and small size appearance, light weight, excellent and stable performances. Easy to install and can be used indoors or outdoors. it can be used home, school, market, industry, laboratory. Specifications: Material:ABS Voltages measuring ranges: AC50-300Volt Current measuring ranges: 0-100A Power: 0-30KW Electric energy: 0-1999kWh Size:Approx.78mm/3.07''x34mm/1.34''x65mm/2.56'' Package Includes: 1Set Single Phase Energy Meter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.