Features:Over-charging and Over-discharge ProtectionSelf-test ButtonWall MountableStandards Compliance: HKS, CEDL-1038E Emergency LightGeneral Specification:AC Input Voltage: AC 220V, 50Hz Rechargeable Battery LED Configuration: 0.5W x 8 pcs Charging Time: Approximately 6 hours Run Time: More than 2.5 hours Dimensions (with packaging): Length: 255 mm Width: 67 mm Height: 250 mm