Item Type: Development Board Enclosure Material: Acrylic Scope of Application: For Orange Pi 3B Package List 6 x Development Board Enclosure Board 1 x Screw Kit 1Compatible Model: Clear enclosure is compatible with for Orange Pi 3B development boards for protecting and cooling your boards. 2Practical Accessories: Easier access to board, power supply, RCA video, sound, USB, LAN (Type B only), Storage Card and optical conduit. 3Premium Acrylic Material: Clear shell kit for development board, made of premium acrylic for durability, abrasion resistance and long service life. 4Easy To Assemble: Development board transparent protective shell, easy to use, easy to assemble, accurate sizes, full access to your for Orange Pi 3B. 5Professional: This development board clear case cover allows you to access all ports and has excellent thermal performance to ensure efficient heat dissipation.