Unmanaged Industrial Ethernet Switch, Fast Ethernet 10/100 Mbit/s, 4 Ports M12 D-coded, Input voltage: 9-36 V DC/18-30 V AC, Operating temperature: -40-70 °C, Protection rating: IP65/IP67, Enclosure material: Nickel-plated aluminium/Stainless steel, M6 holes for wall mounting