Features and Benefits: * Uses AA batteries * Quick Release Rail-Grabber mount * 150 Lumen LED * Constant on, momentary on, strobe * Lightweight The Insight Technology WL1-000-A3 Insight Technology Weapon Light One Tactical Weapon Light Pistol Kit is the first tactical weapon light to offer powerful performance on readily available AA batteries. Its new Quick Release Rail-Grabber mount provides fast and solid attachment while keeping a low profile. Pistol NOT included.