Material:                       Nylon, PA

Outer Protection lens:  115*98*1.0 mm

Adapting Headgear:      YC-HG04 / YC-HG05 / YC-HG06

Adapting ADF:               YC-I

Packing size:                 (color box) 298*240*250 mm

Certificate:                     CE , ANSI , CSA , AS/NZS