Know who's calling with Caller ID\/Call Waiting. Handset displays the name, number, time and date of incoming calls. With the touch of a button, the handset speakerphone makes hands-free conversations easy. The entire keypad illuminates along with the LCD screen, allowing for easier viewing in dim light. Power-conserving technology manages consumption for optimal battery performance. Silence the ringer on the handset and base unit immediately, or for an extended period of time.