The Streamlight TLR-7 HL-X Sub USB is a compact weapon-mounted light that provides a maximum output of 1000 lumens. It features a universal rail mount compatible with Glock 43X and 48 models. This light operates on a single SL-B9 lithium USB battery, which is included.Key FeaturesUniversal Rail Mount: Designed to fit Glock 43X and 48 for easy installation.Ambidextrous Multi-Function Switch: Low profile push button switch for ease of use.Waterproof Construction: Built to withstand wet conditions.Integrated Strobe Function: User-enabled strobe feature adds tactical versatility.