Features: • 4 Lines • 3 way conference calling • 24 Station One touch dialer • Automatic Line Selection • Electronic Hold • Mute function for privacy • Wall Mountable • Speakerphone • 12 digit LCD w/ clock • Automatic Redial • Handset / Speakerphone Volume • Flash • Integrated Telephone System with 3-Step Eletronic Handset Volume Control • Black, UPC 037988474165, 3-step ringer control, • Last-number redial, • Switchable tone/plus settings, • Timed flash memory, • Electronic Volume Control, • Wall-mountable