... DC 12V,24V;AC 110V,220V,380V 1.Feature: HM-1 Hour Meter, Counter 1.Count range:0~99 ... 60Hz 3.Power:0.3W 2.Specification and Technical:HM-1 This hour meter is mechanical type.Widely applied ... can maintain the data after the power cut. ItemNo.HM-1Operating VoltageAC 24-450VFerquency50HzTime Range0-99,999.99hDimension48 x ... % deposit, 70% balance against copy BL. High Quality HM-1 Hours Meters Manufacturer