Features:
1. Small sized，delicated outlook
2. Clear video taking
3. Supporting 4G SD card
4. Hand-free, suitable for use in sports like swimming, riding, hunting, surfing, boating ……
5. Can easily be mounted on helmet, bike, boat, or anywhere else
6.Powerd by 2*AA battery， easy change
7. Waterproof under 3m deep water，especially suitanle for swimming, surfing, underwater photographing or other water game
8. Can work as webcam