Features:
Mini bike taillight with a maximum output of 70 lumens, bright & highly visible, safer for night riding.
Switchable among 8 modes: White light: High, Mid, Low; Red-Blue light: Fast flash, Slow flash, SOS, Red, Blue. (Double click to change between white light & Red-Blue light)
Recharges from your computer, power bank or any device with a USB (Universal Serial Bus) port, only 2 hours to full charge, no more money wasted on batteries.
With a hole for easy attaching to your keychain, lightweight & convenient to carry.
Easy to install on your bike seatpost with no tools required, also can be attached to belt loop or backpack shoulder strap.