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