NiteRider Vmax 150+ LED Rechargeable Taillight featuring 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 loopsand more. For added convenience, the Vmax+ 150 features mode memory, will power on in the last mode used. Features: Lumen Output: 150, 6 Modes with Run Times: 4:30-25:30h, Charge Time: 2:00h, Weight: 59g, Water/Dust Resistant IP64 Rated, USB-C Rechargeable, Mode Memory (Powers on in last mode used), RUN TIMES: Fast Flash - 11:30h, Slow Flash - 9:30h, Disco Flash - 9:45h, Pulse Flash - 6:00h, High Steady - 4:30h, Low Steady - 25:30h.