Co., LTDThe LON-15257 is an enclosure designed for the Raspberry Pi 4B mini-computer manufactured by LONTEN TECHNOLOGY Co., LTD. It is designed to securely hold the Raspberry Pi 4B in place, while also offering protection from environmental interference and providing access to the power and interface ports. The enclosure is available in two versions – RPI-4B-4G and RPI-4B-8G – both of which provide the raspberry pi with an external casing that offers protection from dust, dirt, heat, and more. The enclosure has a full-height USB port for external storage, a wide-angle audio port for audio out, 3x HDMI ports, a microSD card slot, 802.11ac WiFi, and Bluetooth 4.2. The enclosure also offers cooling vents to keep the Raspberry Pi 4B running at optimal temperatures.