Panasonic - DECT 6.0 Plus (model KX-TG4753B) includes a Range Extender that doubles the effective transmission distance between the base unit and the cordless handset. This digital cordless answering system with 3 handsets includes a large LED light atop the handset to let you know when someone calls and is perfect for when you can''t hear the ringer. An easy-to-read, extra-wide LCD display lets you see who is calling at a glance. The bigger buttons on this Panasonic DECT 6.0 answering system make dialing a breeze while an amplified handset volume ensures you catch every word. Plus a Tone Equalizer control actually lets you adjust bass, mid-range or treble tones in a caller''s voice for maximum clarity. In addition, the Intelligent Eco Mode feature automatically lowers the power consumption when you are using the handset close to the base unit. Not only does the Panasonic - DECT 6.0 Plus (model KX-TG4753B) extend the available talk time, it''s good for the environment.