Pedal confidently day or night with the TigerMoth 20-Lumen Taillight attached to your rig. Keep your eyes on the road ahead while its efficient, bright red Micro-LEDs watch your back. USB-rechargeable with simple, tool-free installation. USB-rechargeable (charging cable included) Features both clip-style attachment and bracket for mounting on seatpost Runtime varies from 1.5–15 hours 7 lighting modes Output: 20 lumens Extra mounting brackets sold separately Mode memory: light automatically lights up in the last mode used