1. Detachable design, convenient for assembly and transportation 2. Front tempered glass door of 5mm thickness, side doors are removable, convenient for cable arrangement and maintenance 3. The back has 4 holes for hanging with M8 bolt on the wall 4. Quality SPCC cold rolled steel sheet of 1.0 â?? 1.5 mm 5. Top and bottom covers both have cable entrance, side panels and front door have the air vents above and below, top cover has a vent with a fan 6. Interior width meets the Chinese Standard 19'', Devices are adjustable vertically (by 1U = 44.45mm), and also can be adjusted forward and backward