• 【Long-Lasting Battery】Powered by a replaceable CR2450 button battery, this mini smart tail light offers an impressive runtime of up to 197 hours, eliminating frequent charging hassles.
• 【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】The light automatically brightens when braking is detected, enhancing visibility and ensuring cycling safety.
• 【2 Mounting Methods】Support two mounting methods to accommodate different bicycle types, providing flexibility for various riding styles.
• 【Compact and Lightweight】Weighing only about 28g including the bracket, this tail light adds minimal weight to your bicycle while offering maximum visibility.
• 【Magnetic Attachment】Features a magnetic design for quick and easy attachment and removal from your bicycle.

Specifications:

• Material: PC shell
• Battery: 1 x CR2450 button battery
• Weight: Approximately 28g (including bracket)
• Runtime: Up to 197 hours
• Features: Motion sensing, brake detection, automatic shutdown