Clarity C600 2.4GHz Cordless Phone with 30-dB Amplification and Caller ID (White) 2.4 GHz technology for more freedom of movement Clarity Power technology makes calls louder and clearer amplifying sound up to 30dB 50-name-and-number Caller ID memory Bright visual ring indicator on headset and base Large, lighted keypad for easy dialing with one 1-touch emergency dial button