1. With pen clip design, easy to carry
2. Non-slip surface design, comfortable to hold
3. One button switch operation, convenient and quick
4. High brightness, durable
5. LED type: Q5 LED
6. Switch: Tail cap (ON/OFF)
7. Waterproof grade: daily life waterproof
8. Power supply: 2 x AAA batteries (not included)
9. Operating voltage: 1.8-3V
10. Size: about 13.3 x 1.4cm
11. Weight: about 25g