【Size】 : S Size: Suitable for head circumference 48-53cm;M size, suitable for head circumference 54-57CM;L size, suitable for head circumference 58-61CM
Material: Shell PC + liner black EPS integrated molding
Weight: S:320g L: 360g M: 340g
Head size: L: 58-61cm M: 54-57cm S: 48-53cm
Helmet size: L: 27.5*21*16.5cm M: 26.5*20*16cm
Lighting mode:
1. The front light and rear light are always on
2. The front light is always on and the rear light flashes quickly
3. The front light is always on and the rear light is flashing
4. The front light is off and the rear light flashes quickly
Battery: 750 mAh
Charging time: 2.5 hours full charge
Standby time: 160 days
Life time: more than 10 hours (most power consumption mode) current 3.78v, headlight power 150A, rear light power 314A
