Features:Voltage A: A40.0-300.0V, the measurement range 40-300V without limitation, and it can be used in grid power supply, photovoltaic and power current. the inverter. Frequency: 45.0Hz 65.0Hz, Power Factor: 0.00-1.00 PF. Electrical Power: 0-450,000W, Electrical Power Resolution is 0.1W when the electric power is measured between 0-9999.9W, otherwise the electric power resolution is 1W. Electric power: 0-99999kwh, the resolution display of the electric energy is 0.01kwh when the electric energy is measured between 0-999.99kwh, the electric energy resolution display is 0.1kwh when the electric energy is measured between 1000.0 -9999.9kwh and electric energy display the resolution is 1kwh when the measured electric energy is over 9999.9kwh.Package includes:1x AC monitor Features:Material:ABSTai Size: approx. 54 x 80 x 64 mm / 2.13 x 3.15 x 2.52 inchesType: AC40.0-300.0A (internal), AC40.0-300.09 (external) Net weight: 95gNote:Please allow 1mm errors due to manual measurement.Due to the difference between different monitors, the picture may not reflect the actual color of the item.