Vmax+ 150 is Niterider&';s first 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 loops, and more! FEATURES a Lumen Output: 150 a 6 Modes with Run Times: 5:00-27:00h a Charge Time: 2:00h a Weight: 59g a Water / Dust Resistant IP64 Rated a USB-C Rechargeable RUN TIMES* a Fast Flash - 11:30h a Slow Flash - 9:30h a Disco Flash - 9:45h a Pulse Flash - 6:00h a High Steady - 4:30h a Low Steady - 25:30h