This specific light is required by BITD for motorcycle and quad teams, and meets the requirements for SCORE and Glen Helen 24hr races.
Light has 4 different modes, with various flashing and constant on modes, and features an integrated clip to attach to giggle straps, backpacks, etc.
Batteries will last 15 hours on high constant output, and 40 hours on flashing output.
Runs off two AAA batteries (included).
These are made by NiteRider and sold by Desert Unlimited as a service to racers.