VIVOTEK, AW-GEL-285A-380, Switch, 28 Ports Lite Managed, PoE Port, 56 Gbps Switching, Memory: 4.1 MB, 41.66 Mpps Forwarding Rate, 100 to 240 VAC, 380 W Supply, 212 mm Length, 442 mm Width, 44 mm Height, 14 to 122 deg F, Environmental Conditions: -4 to 158 deg F Storage Temperature, 10 to 90% RH Operating Humidity,