- Intelligent Brake Sensor & Automatic Activation: The XR PRO smart bike tail light enhances your safety with its innovative features. It automatically turns off after 30 seconds of inactivity and activates upon detecting riding vibrations. For added visibility, it emits an ultra-bright flash for 3 seconds to alert rearward traffic. - Efficient TYPE-C Rechargeable Battery: Equipped with a 300mAh TYPE-C rechargeable lithium battery, this tail light ensures long-lasting performance. After just one hour of charging, it offers 18-36 hours in low mode, 12-24 hours in medium mode, and 8-16 hours in high mode. Easily recharge using computers, chargers, or power banks. - Versatile Mounting Options: Installation is straightforward with two mounting choices. Secure it under the saddle using the metal mounting bracket or attach it to the seat post with the adjustable silicone strap. This user-friendly design allows for quick and hassle-free setup. - Practical Use Cases: Ideal for night rides, daily commutes, or cycling in low-light conditions, the XR PRO tail light provides essential visibility for both you and those around you. Whether cycling through busy streets or quiet neighborhoods, stay safe and be seen. - Durable Design: Built to withstand the rigors of outdoor use, the XR PRO tail light combines robust materials with reliable performance, ensuring it is a dependable companion on all your biking adventures.