The telephone test set includes a headset, bed of nails cord set,  LCD readout and voltmeter.

Features

• Five Number Memory
• Technical Support Number programmed into memory dial
• Tone and Pulse Dialing
• Microphone Mute
• Last Number Redial --- 19 Digits
• Electronic Ringer
• Amplified Line Monitor for volume levels comparable to "off hook" operation
• Modular Cord Set Attachment
• Headset for hands-free use
• Auto Power Off eliminated dead batteries
• LCD Display shows
• On-hook voltage
• Number dialed
• Off-hook current
• Set-up information
• Stored numbers
• Battery condition
• Continuous polarity indication
• Caller ID
• Call waiting / Caller ID
• Caller ID errors
• Tone and Pulse Dialing

Please contact Knight for other Test-Um products!