A new version of a rear light with high transparent optical lens and ambient light sensors and automatic adjustments. Low power mode turns on automatically to extend the running time.

• Includes: Light, user manual, micro-usb cable, warranty card, silicone strap
• Light sensor with low power mode
• Max Lumens: 30
• Waterproof: IPX6
• Runtime: 1:30 to 40:30 hours
• Micro USB charging