For your consideration...... Have a Conar Model 231 Tuned Signal Tracer for sale. Unit is in good working condition. All cords/probe are in good shape. Include are the meter, probe & cords. No user manual. Asking $55.00 plus shipping. Any questions, please ask. Contact me at email@example.com HI & AK will incur additional fee for shipping. I will NOT ship outside of the US. NO P.O. Boxes. Paypal only. **Paypal E-checks take 3 to 5 business days to clear. Fast payment = Quick shipping. Ship through US Postal with track #. Guaranteed not DOA. No returns or refunds.