Highly visible safety flasher contains five led lights and allows a choice of (7) seven different flashing patterns. packaged with an adjustable arm strap, belt clip, and secure bike-mounting clip. the safety flasher is water-resistant and features two shatter resistant lens covers; red and amber. powered by (2) aa batteries (not included) for over 200 hours of battery life. ideal for joggers, cyclists, skiers, hikers, kids, and anyone wanting better visibility during outdoor activity. includes arm strap and bike attachment, is ultra-compact and lightweight.