LED optic light incorporated into bright reflective band.
 Controller + Two piece CR***5 lithium batteries + Optical strip + Durable nylon webbing + Match (Waterproof- ONLY for raining)
The item have four modes:1.Steady On 2.fast flash 3.normal flash 4.Off
 Battery Time: ****0 light hours; battery can be replaced.                                                         
Fit for different wrist, can be customized.         
Fit for outdoor sports, night running,  large-scale festival party, concert,   promotion, cheer, employee benefits, corporate events and so on.