Designed to enhance visibility and targeting capability in home defense and tactical situations, the lightweight TLR-7 X sub weapon light is designed to securely attach to GLOCK 43X MOS/48 MOS and GLOCK 43X RAIL/48 RAIL subcompact handguns. The compact light securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle and features a "safe off" to prevent accidental activation. Next generation rear paddle switches to compliment your shooting style. Specifications for Streamlight TLR-7 X sub USB 500 Lumens Weapon Light: Manufacturer: Streamlight Battery Type: SL-B9, Lithium Ion Color: Black Beam Distance: 141 m Length: 2.51 in Weight: 2.64 oz Battery Life: 1.5 Hours Gun Type: Pistol Features of Streamlight TLR-7 X sub USB 500 Lumens Weapon Light Multi-fuel battery capability powered by either one (1) CR123A or one (1) Streamlight SL-B9 lithium-ion rechargeable battery pack 500 lumens; 140m beam; runs 1.5 hours Ambidextrous rear switch SL-B9 lithium-ion rechargeable battery pack (included) Safe off feature prevents accidental activation; saves batteries Rail clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle Durable, anodized machined aluminum construction Package Contents: Streamlight TLR-7 X sub USB 500 Lumens Weapon Light SL-B9 rechargeable battery pack Mounting kit with keys USB-C cord