Record up to six hours of conversations using the 6-Hour Telephone Recorder from KJB Security. Using traditional cassettes, the recorder tapes the phone line at a rate of 4.8 cm/s and 1.7 cm/s. With voice activation, you can be sure not to record any dead air time. The built-in speaker allows you to playback recordings whenever desired.
Sensitive line mode
Auto level control
Built-in ear jack
Speed control for extending tape recording time from 60 to 120 minutes