This is a KIT, it requires Soldering and Assembly
DTMF DISPLAY Kit
PRESS A BUTTON AND LEARN EVERY NUMBER DIALED ON YOUR PHONE WHILE YOU WERE AWAY!
Caller ID tells you what number is calling you. But what about the calls made from your phone? Now, return from work or vacation and know the answer. This DTMF Recorder electronically logs and saves every number dialed. This is the same high-tech magic used by detectives and government spies. Now yours. Does your wife or husband make expensive long-distance calls and then deny it?
Does your son or daughter call that low-life you forbade them to talk to? Now you can know! Decodes digits 0 thru 9, #, *, A, B, and C. LCD Display with 2 lines of 16 digits. Connects into your phone, scanner, or radio in seconds, with the handy connecting cables supplied.
Records all numbers dialed, including local numbers that don't appear on your bill. Records credit card numbers used on your phone line. Records Voice mailbox, answering machine, and modem access numbers. Records Cellular or repeater phone numbers heard over your phone. Even hook to a scanner, and learn scores of emergency phone numbers. Also decodes tones heard on a tape recorder. Power requirement 9v DC. SIZE: 3.5" x 4" x 1"