This armbands have two flash modes for option. Pressing the Power Button, then check the steady burning light--blinking--off three choice. Keeping people from some potential dangers when do morning wal and is designed to give you 360 degree ultra-high visibility in dusk and night time activities. That means greater safety for you or your children from negligent and distracted motorists. Multiple applications: Children for fun in the evening Glow Party; Runners or Joggers; People walking their pets; Cyclists that can wear or slap wrap to any part of the bike; Outdoor activity that can slap wrap the band to the backpack; Campers.

Additional Information  Notice: 1. This slap band is not waterproof, just weatherproof. 2. Please keep the band completely flat when you pull the puller tab if you want to replace the battery.