Weapon Mounted Flashlight Lamp Type LED Battery Size CR2 Number of Batteries 1 Batteries Included Yes Battery Burn Time 1.5 hr. Length 2-3/4 In. Diameter 1-3/16 In. 5000 Candle Power 110 Lumens Lamp Life 50 000 hr. Body Color Black Body Material Machined Aircraft Aluminum Switch Type On-Off Switch Lens Material Glass LED Color White Impact Resistance Not Specified Light Output 125 lm Water Penetration Rating IPX7 Replacement Lamps No Includes Lithium Batteries