VIPERTEK VTS-T03 - Aluminum Series 53 Billion Heavy Duty Stun Gun - Rechargeable with LED Tactical Flashlight, Gunmetal Gray Heavy Duty Stun Gun with 350 Lumen Tactical Flashlight Type III aircraft grade aluminum alloy body with anti-roll design; 100,000-hour bulb Internal Rechargeable Battery - No expensive batteries to buy. Convenient Size: 6.75" Lifetime Warranty