1. Material: ABS shell + EPS liner 2. Head circumference size: 54cm-63cm adjustable 3. Wide-angle lens: 130 degrees 4. Memory: supports 128G (not included in this product) 5. Video recording time: 10h 6. All-glass lens and flagship HD image sensor to achieve HD recording quality, road conditions are clearly visible 7. One-click start loop recording, no need to lock, seamless recovery of memory space 8. Support dual-recording HD decoding, multi-core active more task processing, clearer picture quality, smoother operation 9. Three taillight modes, safer riding at night 10. Ventilation system hole design, air circulation, exhaust hot air
