Solar Universe India DC LED Bulb 5W 12V with Wire & Switch for DC Home Lighting Systems & 12V Batteries - Set of Two Pieces, Multiuse DC LED bulb of 12V-5W (Set of Two Units) with 12 LEDs that deliver upto 520 lumens of natural white LED output powered by an IC based driver with reverse protection in a fire resistant PC type body. This set of two LED bulbs can be directly connected to a 12V battery and will deliver upto 6 hours of backup on a 12V-7ah battery. It can also be run directly via a 12V solar panel in the day. The LED is designed to have working hours of upto 1 lac hour and delivers 180 degrees of illumination. It comes with 1.5M meter wire as well as a toggle switch. It has wall holes in the back which makes it easy to hang or stick to a concrete wall or surrounding.