Quatech QSE-400M. Cabling technology: 10/100Base-T(X). Input voltage: 5 V, Power consumption: 200 mA. Management protocols: UDP, TCP/IP, HTTP, DHCP, ARP, SNMP. Dimensions (WxDxH): 253 x 119.1 x 34.3 mm. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 10 - 90 %