Bike Helmet with LED Lights and Detachable Visor - Urban Bicycle Helmet for Adults - NTA8776 Certified, SOS Alert and IPX4 Waterproof, Bicycle Helmet for Commuter, E-Bikes, Scooters, Black - LIVALL L23

• Visor and Adjustment System: LIVALL L23 smart helmet is made with a visor that can protect the rider from rain, insects and strong ultraviolet light. The visor is easy to move upward and removable to offer the rider broad sights. Classic bike helmet shell shape that is sturdy, stylish, comfortable, and well-ventilated for commuting, recreational cycling, and skateboarding or e-scooter. Certificated And Safe Bike Helmet: Featuring IPX4 waterproof, L23 bicycle helmet can deal with light rain. 10 wind vents coupled with internal channeling allow air to flow through the helmet to enhance cooling power. Certification：NTA8776, CPSC, CE, UKCA, ROHS, FCC, EN1078. 3 LED Lighting Modes: this city bike helmet is equipped with 3 lighting modes: flashing light, tidal light and brake warning light. Easily Press the button to switch the mode. The working time is 15-20 hrs in flashing mode. It takes 3 hours to fully charge. The bright red taillight of bike helmet makes you much more visible to the drivers in the dark and preventing any potential accidents. Comfortable to Wear: The bike helmet has a poly-carbonate shell and EPS foam to help absorb the impact in a crash, adjustable straps to make the chin pad fit better, and it will not cause any pressure on your head. Head circumference: Medium from 54cm to 58cm/21.25”-22.83”. Large from 58cm to 62cm/22.83"-24.4". SOS Alert and Driver Safety: Our LIVALL riding App allows features SOS function, when you encounter a collision accidentally on the road, if there is no movement within 30 seconds, the SOS function will be triggered and your GPS location will be sent automatically to the emergency contact to save rider life, and the friendly app helps you easily to use.