VTech CS6719 DECT 6.0 Cordless Phone with Caller ID/Call Waiting, 1 Cordless Handset , Silver/Black - Full Duplex Handset Speakerphone- Enjoy a speakerphone that can keep up with your calls. Increase participation by allowing both ends to speakand be heardat the same time for conversations that are more true to life. - Caller ID/Call Waiting- Know whos calling with Caller ID/Call Waiting. Handset displays the name, number, time and date of incoming calls. - Backlit Keypad and Display- 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.