1. This switch is made of acrylic material, , exquisite and practical. It is recommended users, computer rooms, bare board machines, water-cooled chassis DIY, etc. 2. If the button on the chassis panel is , this repair is a very good choice. The switch wiring can be inserted from the optical drive position on the front panel, the fan window on the back panel, the expansion slot on the back panel, etc. 3. If the case is placed in a hard-to-reach place, this switch to lead to a place where it is convenient to operate. 4. There are many uses. your and dedicate it to you who love to do it. The switch has 1 boot button + 1 restart button + 1 indicator + 1 hard disk indicator size:8x4x1.6cm cord length is about 60cm Material:Acrylic colour:Black + Transparent Package Contents: 1 x Switch Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.