The TLR-8 HL-X G sub high-lumen, rail-mounted light is engineered to produce a longer reaching beam. It accepts either Streamlight’s SL-B9 USB-C rechargeable protected lithium-ion battery pack or a single CR123A lithium battery. Interchangeable rear paddle switches accommodate your shooting style. Comes with a green laser. Multi-fuel: Uses (1) Streamlight SL-B9 protected Li-Ion USB-C rechargeable battery pack (included) or (1) CR123A lithium battery. Engineered to produce a longer reaching beam. SL-B9: 1,000 lumens; 10,000 candela; 200m beam; runs 30 minutes (default) or programmable to 500 lumens; 5,000 candela; 141m beam; runs 1 hour. CR123A: 500 lumens; 5,000 candela; 141m beam; runs 1.5 hours. Laser mode runs 10 hours. Ambidextrous rear paddle switches with HIGH and LOW options. 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. Securely attaches to select subcompact handguns: GLOCK 43X MOS/48 MOS and GLOCK 43X RAIL/48 RAIL, SIG SAUER P365 and P365 XL (closed rail systems), and the Springfield Armory Hellcat – as well as select 1913 short railed subcompact handguns including the Smith & Wesson M&P M2.0 subcompact, Beretta Px4 Storm subcompact, Springfield Armory XD-E, XD-S and Hellcat Pro, Heckler & Koch HK45 compact, and SIG SAUER P365 XMACRO. Length: 2.51 in (6.38 cm). Weight w/ SL-B9: 2.87 oz (81.4g); Weight w/ CR123A: 2.77 oz (78.5g).