Features : Multi Handset (Capability) : 3 (up to 6) Handset Locator : Yes No. of Phone Lines : 1 Call Block : Yes (30-Station) Frequency : 1.9 GHz System : DECT 6.0 Battery : Rechargeable Ni-MH Batteries (AAA x 2) Battery Life (Talk) : 13 Hours Battery Life (Standby) : 11 days Charge Time : 7 hours LCD Backlit Color : White Handset Indicator : Yes LCD (Handset) : 1.8-inch Full Dot Monochrome Backlit Keypad : Yes Hold/Soft Key : Yes Talk Volume : 4-Step Speakerphone Volume(Handset) : 6-step Headset Jack : Yes Ringer Volume(Handset/Base) : 6-step + OFF Ringer Pattern (Tone+Melody) : 10 (5+5) Belt Clip : Yes Redial Memory : 5-history (Name & Number) Mute/Flash Buttons : Yes Intercom (Handset to Handset/Handset to Base) : Handset to Handset Conference Call : Yes Any Key Answer/Talk : Yes Barge In/Privacy Mode : Yes Clock/Alarm : Yes (Tone/Melody) Talking Caller ID (Handset/Base) : Yes Menu Operation : Yes Wall Mountable : Yes Function Menu : Yes Caller ID Compatible : Yes Caller ID Memory : 50-Station Phonebook Memory (Name and Number) : 50-Station (16 char / 32 digits) Chain Dial : Yes Ringer ID : Yes Voice Mail : Yes Package Contents : Panasonic Telephone 6543 Batteries Cords Chargers