1. Material: Aluminium Alloy 2. Bulb: XPE LED 3. Great for daily use. May not good enough for weapon. 4. Average lifespan 100000 hours 5. Batteries: 1x AA battery ( NOT Included ) 6. Switch: Bottom Click 7. Runtime: 2-3 hours depend on battery capacity ( continuous working ) 8. Adjustable Focus ,you can Zoom in/out to adjust its beam . 9.Waterproofing shell allows the flashlight to be used in rainy day, but don"t use it under water. 10. Net Weight: 67g 11. Color: Black, Blue, Green, Light Green, Silver, Red Package Included: 1x mini Flashlight