DataSafe - High Impedance monitoring won't disrupt data traffic

Polarity indication: to identify polarity of the line

Audible ringer for callbacks

Tone and pulse operation

For use with computerized voice response systems

Speech signal levels compensated for loop length

Last number redial

Hearing aid compatible reciever

Replaceable heavy-duty braided line cord

18 month warranty

Waterproof tested to an IEC IP67 rating, these test sets are so impervious to water they can actually withstand submersion.

Ten-number speed dial memory (32 digits each)

Last number redial

Precise hook flash

Microphone mute

Audible and visual mode indicators

Polarity test in any mode

Drop tested to 20 feet

Digital safe monitor

Automatic Ground Start operation (requires optional ground start cord set)

Unique "quick release" belt clip

Premium cord set with bed-of-nails and piercing pin test clips

Test set with two-way handsfree speakerphone

Waterproof tested to an IEC IP67 rating, these test sets are so impervious to water they can actually withstand submersion.

Ten-number speed dial memory (32 digits each)

Last number redial

Precise hook flash

Microphone mute

Audible and visual mode indicators

Polarity test in any mode

Drop tested to 20 feet

Digital safe monitor

Automatic Ground Start operation (requires optional ground start cord set)

Unique "quick release" belt clip

Premium cord set with bed-of-nails and piercing pin test clips