Features: 6 Different Output Modes:. The smart bike tail light has Different output modes to choose from, which can satisfy all types of riding conditions and rules. Riding Safety Brake Sensing Tail Light: Smart brake sensing bike tail light, automatic start and stop. The bike tail light will automatically lights up when braking or vibrating, with a high-sensitive sensing system and automatically comes on at maximum brightness to alert others Motorcycle Tail Light It is made of premium material, which is Sturdy, toughness and Sturdy, owning long using life span. Unique: Taillight unique design, very bright, the best choice for motorcycle . ENHANCED VISIBILITY: Improves the overall visibility of your motorcycle on the road, making it more visibles in the traffic flows and reducing the likelihood of being overlooked. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description Model: GL-09, GL-09S, GL-09 RGB, GL-09 RGB Mode: 6 Smart Mode: No, Have, No, Have Brake Sensor: No, Have, No, Have Light Colors: Red, Red, Colorful, Colorful Battery Life: 10-100 hours, 12-60 hours, 6.5-70 hours, 9.5-90 hours Battery Capacity: 250mAh, 400mAh Package List: 1x Smart Bike Tail Light