TURN ON THE REMOTE: Easy to install. Lightweight and durable bicycle helmet turning light that can be stuck on almost any type of helmet. It can also be used as backpack lights, warning lights and more. SET YOUR OWN LIGHTING MODES: 6 light mode options: Red light always on - Red light breathing flashing - Red and blue flashing - Left flashing - Right flashing - Double flashing. You can switch modes according to your needs and different occasions to get the best lighting experience and protect yourself. USB & CR2032 RECHARGEABLE: The turn signal is USB rechargeable, 1-2.5 hour charge can be used for 4-5 hours. The remote control can easily replace the CR2032 battery. WATERPROOF BIKE TAILLIGHT: The taillight is made of water-resistant material to ensure safe use in rainy weather. TRY TO GET YOURS