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