ClearSounds CSA700 Amplified Cordless Landline Phone with built-in Answering Machine and Caller ID - Black VOLUME CONTROL - provides up to 40 dB of incoming sound amplification and 5 level volume control so you can be sure to never miss that important call ANSWERING MACHINE - Complete with remote access; listen to all your messages at the push of a button BACKLIT DISPLAY - big-button keypad with backlight makes dialing as easy as 1 2 3 CUSTOMIZABLE PHONE BOOK - store up to 50 contact entries for your family, friends and colleagues MULTIPLE FEATURES - includes Caller ID, alarm clock with snooze function, handset flashlight and SOS key 40 dB amplification Adjustable volume and tone settings Five-level ringer volume control 10 ringtone options Bright visual ringer with handset vibration Digital answering machine with remote access Backlit keypad with large buttons Talking Caller ID Backlit display Programmable SOS button for one-touch emergency dialing