1. This switch is made of acrylic material, , exquisite and practical. It is recommended users, computer rooms, board machines, water-cooled chassis DIY, etc. 2. If the button on the chassis panel is damaged, this repair is a very good choice. The switch wiring can be inserted from the optical drive position on the front panel, the fan on the back panel, the expansion slot on the back panel, etc. 3. If the case is placed in a hard-to-reach place, use this switch to lead to a place where it is convenient to operate. 4. There are many uses. Use your and dedicate it to you who love to do it. The switch has 1 button + 1 restart button + 1 power indicator + 1 hard disk indicatorColour: blackMaterial: acrylicSize: 8 x 4 x 1.6cmPackage Contents:1 SwitchOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.