Nite Ize LED Flexible Marker Arm Band Night Sports, ER, Safety

The Nite Ize LED Marker Band is a surprisingly thin, durable polymer strip encased in sturdy nylon fabric, decorated with a reflective pattern for extra visibility. A fully adjustable elastic band and quick-release buckle allow you to wear it snugly and comfortably around your upper arm. Its efficient LED makes you clearly visible by other commuters from up to a mile away, helping ensure safety on outdoor jobs or when jogging, walking or biking.
Bright red LED for active illumination with glow or flash modes
Passive high-visibility reflective pattern is easy to spot
3v lithium batteries are included and easily replaceable
100-hour battery life
Lightweight, flexible design fits comfortably around your upper arm