... power meter CE,3C Operating temperature -10~+55Storage temperature -20~+85Relative humidity 95%Type panel mountingDimensions H×W×D 96×96×60mmCase protection ... Volt, Frequency, power factor, active power, reactive power, active energy, reactive energy.96 x 96 mmThe meter is supplied with ... liquid crystal display screen 5>Power parameter,people-oriented operation. electric digital power meter