Olight BS 100 Rechargeable Bike Taillight

● 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.