Battery Navigation LightRequires 4 AA batteries (not included)Molded one piece body constructionShock resistant neoprene accentsIncandescent or LED availableRated at 100,000 hours LED service lifeLED uses 90% less energy than incandescentSealed heavy duty on/off switchInsert molded brass threaded mounting bushingsRemovable lamp carriage assembly6.18″ x 2.53″Mounting Style: Suction CupWARNING: This product can expose you to chemicals including BISPHENOL A (BPA) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.