Features:   

＊  60%-70% compression  Multi-layer construction

＊  Be flashing when struck

＊  Weight 45g ,diameter 43mm while wind tunnel 392

＊  Bright flashing light stays activated for almost 6 minutes

＊  Du-pont surlyn cut-proof cover

＊  Internal batteries included with approximately 40 hours life.

＊  Material  acquire RoHs standard approval