Light Up Your Ride: Our Bern helmet light is perfect for keeping you visible whether you're hitting the road on a bike or exploring trails. This black light is must have for your biking gear. Recharge With Ease: The Bern bike helmet light is super easy to recharge with the included micro USB, just plug it in and get ready to go. Built Tough: The bike helmet light rear comes with 3 light modes for different vibes and lasts up to 24 hours on flash mode, it's water-resistant. Shines at 12 lumens. Helmet Compatibility: This bike helmet light works with all kinds of helmets like motorcycle helmets, ski helmets, and even tactical helmets. Dependable Brand: You can trust this Bern to have your back with quality accessories for bike adults and motorcycle helmet accessories