Always know who you are calling with this amplified corded picture speakerphone. Ten large memory picture buttons let you quickly dial the person you want to call in just 2 key presses. Features: Up to 40dB amplification Speakerphone with 4 volume settings Loud ringer with visual ring indicator 10 memory picture button keys (switch for one-touch or two-touch dialing) Emergency button Stored numbers retain their memory even when unplugged from the telephone line Store key prevents memory button numbers from being accidentally changed or erased Redial key Line powered Desk/wall mount Hearing aid compatible