Hard control 4, desktop computer optical drive bit 4-bit hard disk power control switch multi-system backup hard disk switchColour:As shownMaterial:aluminumSize:26 x 18 x 9CMPackage Contents:1 x switchOnly 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.