• 【Long-lasting Battery Life】Equipped with a replaceable CR2450 button battery, providing up to 197 hours of continuous use, eliminating the need for frequent charging.
• 【Intelligent Motion Sensing】Built-in vibration sensor automatically turns off the light after 30 seconds of inactivity and reactivates with a gentle touch, conserving battery life.
• 【Smart Brake Detection】Automatically brightens when braking is detected, enhancing visibility and safety during rides.
• 【Versatile Mounting Options】Comes with two bracket options to accommodate different bicycle types and mounting preferences.
• 【Compact and Lightweight Design】Weighing only about 28g including the bracket, this mini taillight adds minimal weight to your bicycle while providing maximum safety benefits.

Specifications:

• Shell Material: PC
• Battery: CR2450 button battery*1
• Weight: About 28g (including bracket)