19800-009 ButtsetHarris TS19 Test Set, withAngled Bed-of-Nails Clips- DataSafe - High-Impedance Monitoring - Clip onto a line monitor mode without disrupting data traffic.- Safety clip on to monitor and trouble shoot phone lines- 18 month warranty- Polarity indication: to identify polarity of the line- Audible ringer for callbacks- Tone and Pulse operation- For use with computerized voice response system- Speech signal levels compensated for loop length - Last number redial- Hearing aid compatible receiver- Replaceable heavy-duty braided line cord- Replaceable locking spring-loaded belt clipHC19800009