Smart Brake Sensor Bicycle Cycling LED Taillight USB Rechargeable Waterproof Bike Rear Light
Features: 
1. The taillights are very bright and are made of aluminum alloy for durability and water resistance.
2. The special algorithm for constant current drive circuit can achieve a good balance between brightness and thermal cooling.
3. Professional bicycle saddle bracket design, fixing and disassembly are easier.
4. Very useful for most bikes.
5. Suitable for night riding

Specifications:
Product weight: 90g
Product size: 57 x 45mm/2.24 x 1.77"

Package Content:
1 x Bicycle LED Taillight
1 x USB Cable