The product is used for Orange Pi one100% transparent;100% flat;Ultra slim;Ultra light;Simple installation;Perfectly matched to Orange Pi one;Note:The Orange Pi One mainboard is not included.Note: Since the size is measured manually, there may be an error of 1-3cm, please understand. Please understand that there may be small differences between the object and the picture due to the angle of the light and the calibrator.colour:blackMaterial:ABSsize:7.8*5.4*2cmPackage Contents1 x ABS CaseOnly the above package content, other products are not included.Note: Light 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.