Clarity WTS-501 Line Test Set

• Integrated Circuit Voice Network Provides Optimum Receive & Transmit Levels & Controlled Side tone Without Drawing Excessive Current• Lightweight & Durable• Talk/ring Monitor Switch• High-impedance Monitor Will Not Disturb Data, Conversations Or Signing• 10 Number Memory Storage With 3v Lithium Battery (CR 2023)• Walker by Clarity line test set• DTMF tone/pulse switchable dial pad to test signals• 3-position volume control for up to 12dB of gain• Polarity indicator• Includes cloth covered cord equipped with anchored strain relief, modular RJ11X plug, two 5-way test clips and spade connector cord.