RB02 Smart Bike Tail Light with Brake Sensing

Brake Sensing for Better Rear Visibility Detects braking or deceleration and automatically increases brightness for about 2.5 seconds, helping make your movements more noticeable to traffic behind. Smart Sleep & Vibration Wake Built-in light and vibration sensing allows the taillight to sleep after about 30 seconds of inactivity and wake again when vibration or low-light conditions are detected. 10 Lighting Modes for Safety & Style Choose from steady red, red strobe and multiple colorful animated lighting patterns to match commuting, road rides, recreational cycling and night rides. Up to 27 Hours of Battery Life A built-in 500mAh rechargeable battery provides approximately 19–27 hours of runtime depending on the selected lighting mode. IPX5 Water-Resistant for Everyday Riding Designed to resist rain and splashes, making it suitable for commuting and changing weather conditions.