Features:
1. LED head light
2. Water-proof, you can use it in a raining day.
3. LED lifttime: 100,000hours
4. One button switch with 4 mode, strong brighness, normal bringhness, flashing and SOS.
5. Battery:  rechargerable lithium battery, 500mah
6. LED type: Li-ion brand led source
7. Brighness: above 150LM
8. Size: 32mm diameter, X68mm length
9.Water-proof level: IP44

Specifications:
* Max: Luminous Flax: up to 150 LM
* Max brighness: 100,000mcd
* Headlamp circumrotatory angle: 120 degree
* LED life time: 100,000hours.