1. Material: PC EPS ABS
2. Battery capacity: 1250mAh
3. Battery life: 12 hours
4. Charging interface: Type-C
5. Helmet adjustable size: 54-63cm
6. Maximum supported memory: 32GTF card / maximum 128G (not included in this product)
7. Video compression size: 95M/minute
8. Video format: AVI
9. Resolution: 1280x720P
10. Lens: 130 degree wide angle
11. 720P HD recording, front night vision light
12. Three modes of warning tail lights, fast flashing/slow flashing/steady on
13. One-piece molding, wear-resistant and drop-resistant
14. Multi-layer protection, shock absorption and cushioning, breathable and refreshing, comfortable to wear