Streamlight TLR-9 Gun Light With Rear Switch Paddles - Black - Maximize your weapons platform with interchangeable rear paddle switches that allow you to customize your TLR-9 to your shooting style. 1,000 lumens; 200 m beam Runs 1.5 hours Custom optic produces a concentrated beam with optimum peripheral illumination Ambidextrous rear paddle switches Uses two (2) CR123A lithium batteries (included) Safe off feature prevents accidental activation; saves batteries Rail grip clamp securely attaches/detaches without putting your hands in front of the muzzle Durable, anodized machined aluminum construction User-enabled strobe function 3.87in (9.83cm) L x 1.18in (2.98cm) W x 1.27in (3.22cm) H 4.26oz (120.8 g) IPX7 waterproof to 1 meter for 30 minutes