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
