WTS-501 Advanced Line Test Buttset with Enhanced Features

TALK/RING/MONITOR switch conveniently located inside handgrip<br/>Switchable tone or pulse dialing, with switch located inside of handgrip<br/>High impedance monitor will not disturb data, conversations, or signaling<br/>Polarity indicator <br/>Last number redial (31 digits maximum) <br/>10 number memory storage <br/>Three position volume control for up to 12 dB gain <br/>Protection against excessive voltage and transient ringer signals<br/>Direct connection to most batteries and power supplies<br/>Spring-loaded reversible belt clip<br/>Cloth-covered cord equipped with securely anchored strain relief, modular RJ11X plug, and two five-way test clips<br/>Spade connector included Moisture resistant 2.5 mm headset jack compatible