This Brainboxes Ethernet Network Switch (SW - 104) offers high-speed connectivity with 10/100 Mbps Ethernet technology, making it perfect for enterprise networking, servers, and computers/tablets. It has 4 LAN ports, allowing for multiple connections. This switch can be powered via USB or a 24 v power supply. This device is built to endure extreme temperatures of up to -40F, ensuring reliability in any environment.