Bti / Battery Technology BTS W/ Large LCD WHITE- 24-Button SpeakerphoneTelephone- 12 Programmable CO keys- Speakerphone- 3 Line backlit alphanumeric LCDdisplay - Automatic redial- Hands-free answer back- Redial, hold/flash, mute, store, message, intercom/conference, forward/do not disturb, program, pause/transfer and volume controlkeys- Off, low and high ringer volume switches- 2.5mm headset jack- Wall mountable- Available in black or whiteKXT7736