- Portable and durable, easy to carry, lightweight.
 - When you brake, the light will turn on (without on/off switch button).
 - With ultra brightness red LED light.
 - Water Resistant: waterproof design, circuit with special treatment, normal use on a rainy day.
 - Warning behind vehicles keep safe distance.
 - Easy to install.
 - Perfect accessory for outdoor biking or hiking.
 
