16PCS + 40PCS BRIGHT LED / 12V DC SOCKET / CAR CHARGING FUNCTION WITH LIGHT DIMMER FUNCTION / OVERCHARGE PROTECTION FUNCTION FULL CHARGE INDICATOR / WITH HANDLE / WALL MOUNTED BUILT-IN BATTERY: 4V 1.6AH RECHARGEABLE SEALED LEAD-ACID BATTERY POWER SOURCE: AC 220-240V 50/60Hz / CHARGING TIME: 20-24 HOURS WORKING TIME: UPTO 15 HOURS 1 YEAR WARRANTY