Model Number: KX-TG9334 Frequency: 1.9 GHz System: DECT 6.0 Channels: 60 Phone lines: 1 Handset expandability: Up to 6 handsets Display (handset): 1.4-inch LCD with backlit 16 digits x 3 lines Handset speakerphone: 6 steps Intercom between handsets and base: Yes Voice paging: Base to all handsets Conference call: 4-way (3 handsets and line) Input/output (handset): headset jack Phonebook directory: 50 items (16 characters 24 digits) Caller ID: Yes Caller ID history: 50 items Any key answer: Yes Volume control: Handset: 3 levels Ringer tones (handset): 3 tones and 4 melody Ringer tones (base): 1 tone Separate ringer controls: Yes Ringer volume control: Yes (handset base unit) Redial memory: 5 numbers Pause: 3.5 seconds Answering system: Digital Voicemail waiting indicator: Yes Recording time: 18 minutes Memo recording: 3 minutes Answering system remote access: Yes Battery: 2 x Ni-MH AAA batteries Battery charging time: 7 hours Battery life: Up to 5 hours (talk) up to 11 days (standby) Menu languages: English Spanish