1. Material: aluminum alloy
2. Bulb: XPE
3. Switch: push switch
4. Battery: 2 x AAA (not included)
5. Charging method: none
6. Zoom mode: fixed focus
7. Gear: 3 gears: strong light - weak light - flash
8. Waterproof level: daily waterproof
9. Lumen: 150LM
10. Suitable for outdoor adventure/camping/hiking/patrol
11. Size: large 13.5x1.5x1.5cm; small 9x1.5x1.5cm
12. Net weight: large 27g; small 20g