1. This switch is made of acrylic material, concise, exquisite and practical. It is recommended for home 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, use this switch to lead to a place where it is convenient to operate. 4. There are many uses. Use your imagination and dedicate it to you who love to do it. The switch has 1 boot button + 1 restart button + 1 power indicator + 1 hard disk indicator Colour: black Material: acrylic Size: 8 x 4 x 1.6cm Package Contents: 4 x Power Switch Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.