Features:<br> 5 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.<br> 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<br> Motorcycle Tail Light It is made of plastic , which is Sturdy, toughness and Sturdy, owning long using life span.<br> Unique: Taillight unique design, very bright, the best choice for motorcycle .<br> 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.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> Description<br> SR-1 Smart Brake Taillight / SR2 Aluminum Alloy Taillight / SR3 Dual-Color Taillight<br> Material: CNC-Aluminum Alloy<br> LEDs: COBs High-Brightness<br> Modes: Five-Mode / Six-Mode / Seven-Mode<br> Battery: 400mAh / 350mAh Li-Ion / 300mAh Li-Ion<br> Waterproof: IP65<br> Charging: Type C / Type C / USB<br> Battery Life: 13-42 hours / 6-30 hours / 7-24 hours<br> Package List:<br> 1x Taillight