The TLR-7 sub series is going rechargeable! The TLR-7 X sub multi-fuel rail-mounted light accepts either Streamlight s SL-B9 USB rechargeable protected lithium-ion battery pack or a CR123A lithium battery. Interchangeable rear paddle switches accommodate your shooting style. Product Features Multi-fuel: Uses (1) Streamlight SL-B9 protected Li-Ion USB-C rechargeable battery pack or (1) CR123A lithium battery 500 lumens; 5,000 candela; 141m beam; runs 1.5 hours (CR123A), runs 1 hour (SL-B9 ) 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 User-enabled strobe function 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 IPX7 waterproof to 1m for 30 minutes Assembled in the USA Product Specifications Length: 2.51 in (6.38 cm) Weight w/ SL-B9 : 2.64 oz (74.8 g); Weight w/ CR123A: 2.39 oz (67.8 g)