The TLR-7 X Sub USB is a 500-lumen weapon light specifically engineered for the Springfield Armory Hellcat subcompact pistol with an accessory rail. This multi-fuel tactical light can be powered by either one CR123A lithium battery (included) or a Streamlight SL-B9 rechargeable battery pack, delivering 5,000 candela and a 141-meter beam. Constructed from 6000 series black anodized aluminum with a Borofloat glass lens, the 2.51-inch unit is waterproof and highly durable. It features an integrated rail clamp for rapid attachment without placing hands in front of the muzzle. Ambidextrous rear paddle switches provide easy access to momentary, constant-on, and strobe modes, ensuring reliable performance for concealed carry and tactical applications.