The TLR-7 X Sub is a low-profile, multi-fuel weapon light delivering 500 lumens and 5,000 candela. Specifically engineered for subcompact pistols with short rails, it fits a wide range of firearms including the S&W M&P M2.0 subcompact, Beretta Px4 Storm, Springfield Armory Hellcat Pro, and SIG P365 XMACRO. This 2.51-inch unit features an integrated side-loading rail clamp for safe mounting without placing hands in front of the muzzle. It is powered by either one CR123A lithium battery or a Streamlight SL-B9 rechargeable battery pack, providing over one hour of runtime. Constructed from black anodized aluminum with a Borofloat glass lens, this 2.39 oz light is waterproof and features ambidextrous paddle switches for intuitive control.