Polycom VVX 400 Series Business Media Phone POE (Power Supply Included) 3.5" TFT Display (320 x 240) 12 lines or speed dial keys HD Voice up to 7KHz on all audio paths, Asian character support 2 x Ethernet 10/100 or GigE (VVX410 ), 4-way navigation cluster Supports VVX Expansion Module and VVX Color Expansion Module POE (Power Over Ethernet) Power Supply Included