The Streamlight TLR-7 HL-X Sub USB is a powerful weapon-mounted light designed for use with 1913 short models. It features a maximum output of 1000 lumens and is made from aircraft-grade aluminum for durability. This model includes a universal rail mount and is compatible with various firearms, including M&P 2.0 Sub Compact and Beretta PX4.Key FeaturesUniversal Rail Mount: Designed to fit 1913 short models securely.Ambidextrous Multi-Function Switch: Features a low profile push button switch for easy operation.Strobe Function: User-enabled strobe function for additional tactical options.Waterproof: Rated for waterproof performance, ensuring reliability in adverse conditions.Battery Type: Uses one included SL-B9 lithium USB battery.