5 super bright LED's. Red has 6 light patterns (steady, fast flash, slow flash & 3 alternating patterns). Amber has 2 light patterns (steady & flash).

Visible up to 1/2 mile.

Up to 200+ hours on 2-"AA" batteries (not included).

Water resistant.

Clips to clothing or optional arm band. (Sold separately, Item #VL300R)