deluxe model will de-code the numbers as they were dialed, so when you
play back the tape it gives you a complete recording including the phone
numbers dialed. Recording start automatically as soon as someone picks
up the phone. Can be plugged to any extension of the same phone line. Records
up to 5 hrs. (2 1/2 hrs. each side). Uses regular tape cassettes. Comes
with earphones jack, monitor and ac power.