GW Security 10/100Mbps 4 Port PoE Switch + 1 Uplink RJ-45 Port for NVR IP Security Camera System 4 Ports at 10/100Mbps + 1 Uplink port at 10/100Mbps Max Power (30W Per PoE Port), backbound Bandwidth: 1.0 Gbps Complies with IEEE 802.3af PoE Standard POE data & power transmission distance up to 100 meter 1 Year Warranty and Free Life Time Tech Support.