ProTac 1AA The combination of small size and C4 LED output results in one of the brightest tactical personal carry lights for its sizei-use.High, low and strobe modes lakaline batteries.C4 LED illumination output and run times: HIGH - 50 lumens/1 Hour LOW - 6 lumens/22 Hours STROBE - 4 Hours.Solid State power regulation provides maximum light output throughout battery life.Rubber push button tail cap switch.IPX7 rated design; waterproof to 1 meter for 30 minutes.Impact-resistant tempered glass lens.Unbreakable pocket clip.Anti-roll head.Includes nylon holster.Includes 1 AA alkaline battery.