Olight BS 100 Led Road Bike Light
✦ Small but Mighty: 100 lumens, IPX6 water-resistant, 120hrs max.runtime, provides you with extreme enjoyment when riding.
✦ Five Options: The light contains 5 modes for different uses with a single click.
✦ Brighter When Brake: Equipped with built-in motion sensor, it will increase in brightness when recognizing braking motions.
✦ Intelligent Auto-adjustment: It will automatically change lights based on your environment through the smart light-sensor.