LED EMERGENCY EXIT SIGNLight Source: 5PCS Powerful LED lights-green color(LED lifetime: over 50000hours)Battery: 3.6V 500mMAh Ni-Cad batteries includedRated Power::0.33WMaterial: ABS, Acrylic panelMode of Operation: MaintainedRated supply voltage: 110V~240V/50~60HZOperation Temperature: 0â~-50âFull charge time:Approx.20hoursWorking time: Approx.6hoursMulti-angle wall mountingCeiling mountingIP Class: IP20Insulation: IOption: -LED light color and /span>-Non-maintained also available