Coby CT-P8500 2.4 GHz Analog Cordless Speakerphone with Caller ID (Black) 2.4 GHz analog signal Caller ID with call waiting feature, 40-name-and-number memory 50 channel auto scan and auto select channel for best communication Big 3-line LCD display for name, number, date and time of calls 2-way speakerphone for hands-free operation