Using this case is easy. First, attach the Raspberry Pi board to the touch screen as per the standard procedure. Then, use the four supplied screw fixings to secure the touch screen into the case. If you want to mount it on the wall, utilize the wall - mount features. When connecting devices, use the cut - outs for all connections and the camera board connector slot. As for maintenance, keep the case clean by gently wiping it with a soft, dry cloth. When accessing the internal connectors, open the easy - clip rear cover carefully. Always ensure that the power is off before making any changes to the connections inside the case.