ATEN UEH4002 4-Port Cat 5 USB 2.0 Extender Changer Type: USB Extender Specifications: Connectors : - USB: 1 x USB Type B; 4 x USB Type A - Unit to Unit: 1 x RJ45 - Power: 1 x DC Jack Maximum USB Devices Supported: 14 USB devices or 3 USB hubs with 11 USB devices Power Adapter: 5V DC @ 3A Current Available: 4 x 500 mA Operating Temp.: 0-50 Degree C Operating Humidity: 20% to 80%, non-condensing Storage Humidity: 10% to 90%, non-condensing Housing: Metal Dimensions (L x W x H): 3.94 x 2.99 x 1.02 Regulatory: FCC (Class B), IC (Class B, CE (ClassB) ESD Rating: EMC EN-61000-4-2:2001 8kV Contact, 16Kv Air Package Contents: 1 x UEH4002L (Local Unit) 1 x UEH4002R (Remote Unit) 2 x AC Power Adapter 1 x USB 2.0 Cable (6 ft) 1 x User Instructions