The Panasonic KX-TG3711 is a 2.4 GHz digital cordless telephone known for its robust build, clear voice quality, and essential features like a backlit LCD display and speakerphone. It is a reliable option for both home and office use and includes a "Power Failure Talk System" for use during power outages.  Key Features and Specifications Connectivity: Operates on a 2.4 GHz digital frequency, offering clear audio and an extended range of up to 50 meters indoors and 300 meters outdoors (approximate). It uses rechargeable Ni-MH AAA batteries. Display: Features a large, easy-to-read 1.8-inch amber backlit LCD display that illuminates for use in dim light. Memory: The phonebook can store up to 100 names and numbers, while the caller ID memory holds up to 50 entries. Audio & Calls: Includes a digital speakerphone on the handset for hands-free conversations and supports 3-way conference calls with an outside line. It has 30 polyphonic ringer melodies/10 ringer tones. Convenience: Power Failure Talk System: Allows for calls to be made or received using the handset's stored power by placing it on the base unit during an electric outage. Wall Mountable: The base unit is designed to be desk or wall-mounted for flexible placement. Night Mode: The ringer can be programmed to be silent during specific periods. Handset Locator: A paging feature on the base unit helps locate misplaced handsets.