VTech DS6401 Accessory Handset * Push-to-talk intercom * Accessory handset only * Requires the DS6421 or DS6422 to operate * Adjust ringer volume from lot to high, or turn the ringer off * The frequency band has been extended allowing for the signal to be reproduced for a fuller and clearer sound * DECT 6.0 Digital technology provides the best sound quality * Interference free for crystal clear conversations * Protect yourself from identity theft with digital security * Return phone calls and recall numbers with 100 name and number caller ID memory * With just the touch of a button, hands-free conversations are made easy with the handset speakerphone * 50 name and number phonebook directory * Large reverse LCD with white backlighting * Handset volume control * Last number redial * Choose between English, Spanish or French * Page/handset locator * Selectable ring tones * Comfortable handset size * Accessory Handset Only