FEATURES-Impact resistant engineering polymer housing (black)-C4 LED technology impervious to shock with a 50 000 hour lifetime-65 lumens-2 300 candela-96m beam-Push-button tail switch provides one handed momentaryor constant operation-24 hour run time-Runs on (2) 'AA' alkaline batteries-Wrist lanyard connection & integrated pocket clip-IPX7 rated design - waterproof to 1 meter for 30 minutes-6.4" long-3.6 oz.