1、The shell is suitable for Raspberry Pi 4 Model B, with protection and heat dissipation functions. 2、Made of ABS material, which is hard and scratch resistant, not easy to deform after long term use. 3、There are multiple holes under the bottom cover to facilitate uniform and efficient heat dissipation. 4、The heat dissipation enclosure has a standard size, which can perfectly fit for Raspberry Pi motherboard. 5、The kit comes with 4 non slip rubber pads for easy fixing of the protective shell and more convenient use.<div class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text">Item Type: Enclosure for Raspberry PiMaterial: ABSApplication: For Raspberry Pi 4 Model B<p class="wang-edit-text"><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style></div><div>1 x Enclosure</div><div>4 x Screws</div><div>4 x Non Slip Pads</div>