This SMD indoor Alloy Aluminum ultra slim cabinet has power supply and the receiving card are easily changed even after the installation. In order to facilitated the installation, each corner has a small block to let the cabinet stand on the ground. High intensity alloy, when turning the screw,it’s not easy to break the thread. Clip-on mask, no screw design, easy to mounted and dismounted. Much more smooth and thinner than soft mask. High gray scale and refresh rate. Ultra slim and light, easy for installation and transportation. Big fast lock, strong connection.