Forester Solutions WTS-501 Line Test Buttset with Tone/Pulse Dialing

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