Features:- Safety: one-molding process, the United States imported PC and EPS material, making the helmet more secure
- Intelligent lighting: 7 high-brightness LED back lights automatically light or standby according to the intensity of light, and the visible distance is over 180 meters
- One button to control three lighting modes: shortly press the switch button to switch the light mode after booting: tide mode (light sense), flash mode (light sense), strobe mode (normally on)
- Good ventilation effect: according to the aerodynamic principle, wind holes for ventilation and comfort
- Long battery life: charging once, battery life can last for 36 hours, standby for 180 hours
- A wide range of applications: electric bicycles, electric scooters, balance vehicles, roller skating, bicycles, etc.
- Built-in 455mAh lithium polymer battery
-Automatic shutdown light function.
-Automatic brake warning light function.
Product weight:0.3730 kg
Product size (L x W x H):28.00 x 22.00 x 16.00 cm / 11.02 x 8.66 x 6.3 inches
Package Contents:1 x Helmet, 1 x USB Cable, 1 x Manual (English and Chinese)
Pls choose size according to your head circumference.