Innovative Lighting Portable Led Stern Light W/ U-Bracket #560-2110-7. Requires 4 AA batteries (not included). Molded one piece body construction. Shock resistant neoprene accents. Incandescent or LED available. Rated at 100,000 hours LED service life. LED uses 90% less energy than incandescent. Sealed heavy duty On/Off switch. Insert molded brass threaded mounting bushings. Removable lamp carriage assembly.