Over 8 hours of telephone conversation can be captured on a standard C-120 cassette with the same crystal clear clarity offered on five-hour models. Compatible with single and multi-line phone systems, the P5085 is a perfect fit in any office or home. Equipped with an automatic level controller, it's able to compensate for bad connections. Features: • Two speed recording • Easy connection • Multi line capacity • Auto level control • Voice activation • Monitor while recording • 8 hours recording time Specifications: • Tape speeds of 4.8 sec., 1.2 cm/sec. • 6VDC power • Uses 4 AA batteries (not included). It is the user’s responsibility to insure that conversations are only recorded in accordance with the law of the jurisdiction where the equipment is utilized.