Innovative Lighting's Marine Portable LED Navigation Light requires four AA batteries (not included). Features a molded one piece white body and shock resistant neoprene accents. Rated at 100,000 hours of LED service life and uses 90% less energy than incandescent lights. Includes a sealed, heavy duty on/off switch, insert molded brass threaded mounting bushings, removable lamp carriage assembly, one LED bulb and metal mounting hardware. The 560-2112 model is a stern light with a 2" stud mount inflatable base that includes an attached lanyard and a stainless steel "D" ring.