The Tactical PenLight/ Self Defense Tool is Constructed from Anodized Aerospace Aluminum in Matte Black; Shatterproof, Tempered Glass Lens with Anti-Reflective Coating; Shot Blasted Reflector; "O" Ring Sealed for Water and Extreme Weather Resistance Features * Twist ON/OFF to Prevent Accidental Illumination * Anti-Roll Tailcap * Self-Defense Tool * Glass Breaker for Home or Auto * Operable with One Hand * Diamond-Cut Knurling on Casing for Easy Grip * Safely Illuminates Paths, Keylocks, Maps, Charts, etc. * Sized to Attach to Pockets, Purses, Backpacks, Glove Compartments, etc. * Maintenance-Free LED Never Needs Replacing * Impact Resistant * Limited Lifetime Warranty * Includes: 2 Energizer AAA Batteries, Pocket Clip