5 modes & wireless remote control: Switch 5 lighting modes through wireless remote control, Turn left (yellow light) / Turn right (yellow light) / Red light constant / Red light flashing / Red + yellow light flashing, and no need to wave your hand to send a signal.High brightness: The taillights have 20 built-in red and yellow high-brightness lamp beads, and the wide-angle beam emitted is very eye-catching, which effectively improves the safety of driving at night.Rechargeable USB-CRear bike light built-in USB rechargeable battery, which can be used for about 10 hours after charging for 3 hours, providing support for your long-term driving. The wireless remote control must use the CR2032 battery (the package contains the battery).Easy to install: Convenient one-touch removal button, you only need to slide the lights in or out of the bracket, without removing the entire bracket. With waterproof function, whether you are running, walking the dog, cycling, skateboarding or hiking, these warning lights can provide you with protection.