Desktop Corded Telephone Phone with LCD Display Caller ID Volume Adjustable Calculator Alarm Clock for House Home Call Center Office Company Hotel 16 Digit LCD display, with Caller function, LCD contrast adjustable. Dual Mode DTMF/FSK compatible, Tone/Pulse Mode. No need for battery. Pre-dialing Function, Pause Function, Last Number Redial, on hold. 8-Ring melody selectable, 3-Progammable Alarm clock settings etc. 38 Incoming calls memory, 5 outgoing calls memory, and M1/M2 one memory. Speakerphone adjustable, 4-step Programmable Ringer adjustable. Specifications: Last number Redial: Yes Speakerphone Adjustable: 2-way Alarm Clock Settings: 3-Progammable Calculator: Yes Pre-dialing Function: Yes Compatible Mode: DTMF/FSK on Hold: Yes Item Size: 20 * 15 * 6cm/ 7.8 * 5.9 * 2.4in Pause Function: Yes LCD Display: 16 Digit LCD Display Item Weight: 402g/ 14.2oz Package List: 1 * Line Cord 1 * Coil Cord 1 * Handset 1 * Base Unit 16 Digit LCD display, with Caller ID function, LCD contrast adjustable. 16 Digit LCD display, with Caller ID function, LCD contrast adjustable Speakerphone volume adjustable, 4-step Programmable Ringer Volume adjustable. 8-Ring melody selectable, 3-Progammable Alarm clock settings etc. No need for battery. Pre-dialing Function, Pause Function, Last Number Redial, Music on hold.