SL1100 12-Button Full Duplex Tel Black- Digital 12 Button Black Proprietary Telephone- Backlit 3 line, 24 character display – 2-Step adjustable angle- Programmable keys with red/green LEDs- Backlit dialpad 4 Soft keys – 9 Fixed feature keys – Navigator key – Headset port- Full duplex speakerphone- 20 number personal directory- 1000 number system/group directory – Dual-color call indicator lamp- 8 Selectable ring tones- Power saving sleep mode- Do not disturb – Call forwarding – Mute – Flash – Hold – Headset jack – 9 Foot handset cord