- D7 Expansion Module in Black<br/>- Supports all 700 series telephones with USB ports<br/>- High-resolution graphical display with backlight <br/>- 18 freely programmable multicolor LED function keys <br/>- Dual-angle foot stand: 46� and 28�<br/>- Fully configurable via host phone <br/>- 18 highly configurable self-labelling LED keys <br/>- High-resolution black & white display with backlight<br/>- Daisy chain up to 3 modules <br/>- Plug and play<br/>- Power supplied by phone via USB port for first D7 module
