LIVALL C20 Smart Bike Helmet with LED Lights & Visor, CPSC Certified, Fall Detection for Adults Men Women, Bicycle Urban Commuter E Scooter Skateboard

Smart LED Safety LightThis smart helmet has 7 automatic light-sensitive LED warning lights, which can be automatically turned on or standby according to the ambient light intensity. One button to switch 3 lighting Mode - flashing light/fast flashing light/tidal light, it will warn cars and help other riders behind you clearly recognized your direction. Riding at night is safer and more reliable. Adjustable SystemAdult bike helmet equipped with the easy-use dial system and adjustable chin straps, they enable you to wear the helmet in the correct position for a feeling of reassuring comfort. Adjustable Size: M-21.26-22.83 inch (54-58cm)/L-22-24 inch (57- 61 cm). Integral Molding for Better ProtectionThe outer shell of the bicycle helmet employs PC (polycarbonate) material while the inner shell uses imported PSI-205T high density EPS (polystyrene foam). With an integral molding of external and internal layers, it dramatically strengthens the helmet impact resistance for safer daily joumeys on the road. Ventilation & WaterproofThe helmet has the good ventilate function with 12 air holes, reduce head temperature and resistance, always keep you breathable and cool when riding. And good water repellent effect, IPX4 all-round water repellent design, you can ride in the rain. For your safety, please do not exposeto the rain for a long time while wearing it. Fall DetectionIn the event of an accident, the emergency system will kick in automatically and send your GPS location to your emergency contacts.If you want to activate functions like Fall Detection, you need to connect the helmet with livall riding app.