The NiteRider(R) Lumina(TM) 1250 Boost is the perfect light for mountain bikers, road riders, adventure riders and urban commuters. Vmax+ 180 features COB (Chip-on-Board) LEDs, which for cyclists means it emits highly visible flash patterns in a smaller, more compact package. Its feather-like light weight makes it perfect as a wearable safety light--easily clipping onto straps, belt loops, and more! For added convenience, the Vmax+ 150 features mode memory, will power ON in the last mode used. Includes: Lumina(TM) 1250 Boost front light, Vmax+(TM) 180 taillight, handlebar clamp mount, rubber seat post strap mount, and USB-C charging cable.