40dB amplification 6-level Tone Control plus Noise Reduction Slow Talk Control in real time Amplified digital answering machine 100dB loud ringer with bright red visual ringer Amplified speakerphone with tone control 4 expansion handsets can be added. This reliable and easy-to-use phone improves many of problem areas those with hearing loss struggle with. Speech is louder with 40dB amplification - ideal for those who are constantly asking the caller to repeat themselves . Tone control defines and enhances sound quality and this phone has 6 level presets with customization options. KX-TGM420W?s noise reduction feature makes for clearer calls in noisy environments. Fast talkers are better understood using the Slow Talk Control in real time and for listening to messages on the answering machine. The 110dB loud/bright red visual ringer will always let you know when someone is calling! This KIT includes one KX-TGMA44W expansion handset. For convenience in multiple rooms you can add up to 4 more (see Accessories). The phone has DECT 6.0 technology for improved range and superior transmission between base and handset. With the built-in battery back-up?a fully charged handset provides up to 13 hours talk time and 9 days standby. Rechargeable Ni-MH batteries are included in the base and handset. Additional Features: 15 different ringtone options Call waiting/Caller ID Talking caller ID, keypad and phonebook 100 phonebook entries English and Spanish LCD 3 memory buttons 2.5mm headset/neckloop jack Wall or desk mount Hearing Aid Compatible Feature Details Brand Panasonic Warranty One year warranty Color White Weight (lbs) 3.42 Battery operated? Yes (batteries required) Batteries included? Yes Battery details (6) AAA NiMH Country of Manufacture Malaysia Corded / Cordless Cordless Line-Powered No Battery backup Yes Expandable Yes Bluetooth No Degree(s) of Hearing Loss Mild Moderate Severe Yes Yes No Amplification (dB) 40 Boost override Yes Captions No Tone Control Yes Speakerphone Yes Answering machine Yes Caller ID Screen Yes Talking Caller ID Yes Talking Buttons Yes Photo Buttons No Outgoing speech amplification No Emergency Dialing No Low Mobility No