DISCONTINUED KX-TG4321B Features: Expands up to 4 handsets total Caller ID, call waiting caller ID 50# Caller ID memory 50# Phonebook FHSS technology 89 Channels LCD language English/Spanish Light up (indicator/LED), 1 color Ringer ID Voicemail (FSK only) Menu operation Light-up antenna with ringer/message alert, 1 color Tone remote (DTMF) operation Handset speakerphone Requires 2 rechargeable AAA batteries, not included 7 Hour recharge time 4 Way conferencing (hs-hs-hs-line) Any key answer 3-Line backlit LCD on handset and base unit Message alert (handset LED) Voicemail message-waiting indicator Chain dial 5# Dialer storage capacity/redial memory Clock Alarm Handset locator Voice paging (base unit to all handsets) Wall mountable Hold on handset Mute (soft key) Base unit ringer 7 Ringer patterns (3 tone / 4 melody) Flash 3 Step talk volume Ringer volume control for handset and base (high/mid/low/off) Join in/privacy 6 Step speakerphone volume Intercom (handset to base / handset to handset) Base intercom (base to handset) 11 Day standby battery life 5 Hour talk time Night mode lets you choose where the phone rings! Program each handset to ring (or not) at your discretion. Before going to sleep, simply set the bedside handset to Night Mode so that it won't ring in your bedroom. In the meantime, the handset in the den will still ring when that important call comes in without disturbing the person who's sleeping. Digital answering system 12 Minutes of digital record time Call screening Tollsaver 1 Year manufacturer's warranty Black Accessory handset: KX-TGA430B