30W Rechargeable LED Emergency LightsRated Voltage:DC12V~24VRated Power:30WFlux: >3000lmTemerature Extremes:60�Protectig Grade:IP65Service Life:>50,000HPower Factor:?0.90Lamp Efficiency:?90%Working Temperature:-40�50�Working Humidity:10%~90%CE&ROHS ApprovalCharge time:10 hoursCan be continuing to work for 5 hous in Grade 1,8 hours in Grade 2,15 hours in Grade 3.