B&B Electronics MESR901. Supported network protocols: TCP, IPv4, ARP, HTTP 1.0, ICMP/PING, DHCP/BOOTP. Dimensions (WxDxH): 30 x 81 x 119 mm, Weight: 149.7 g. Power consumption (typical): 4 W. Operating temperature range (T-T): -40 - 80 °C, Operating relative humidity range: 0 - 95 %. Safety: IP 30, Certification: FCC, CE, NEMA TS2 UL Listed, File E222870