AudioTech Probe Diagnostic Listening Tool $29.95 Features: • Battery-operated precision sound amplifier • AAA battery included • Lightweight stereo headphones • 180 degree swivel boom • Removable 7 inch stainless steel probe • Air baffle to shut out fan noise • Full volume control 
The AudioTech Probe® Electronic Stethoscope is a precision sound amplifier diagnostic tool featuring 180 degree swivel boom and 7 inch stainless steel probe. Hear what you've been missing with this professional quality electronic stethoscope for the professional and the Do-It-Yourselfer. Professionals know that correct diagnosis is 90% of fixing the problem. However, diagnosing problems in engines, motors and other equipment can be time consuming and costly. Fortunately, malfunctioning components usually make irregular sounds which, if heard, can lead to quick diagnosis. The AudioTech Probe® Diagnostic Listening Tool amplifies those sounds and locates the trouble spot, so the problem can be fixed right the first time. Using the tool is easy. Just put on the headphones, turn on the amplifier, and touch the suspected problem part. Your ears will find the problem. The AudioTech Probe® is ideal for pinpointing bad spark plugs, broken gears, rattles, squeaks, clogged fuel lines, bearing and bushing wear, faulty valves, water pipe leaks, gas leaks, and mechanical failures of all kinds. The AudioTech Probe® can be used in any application where there is movement of parts, air, gas, or fluid. 30 Day Money Back Guarantee (less shipping) 1 Year Limited Warranty. $8.95 standard ship -PER ORDER (not per product). Shipping outside the continental U.S. and International shipping figured separately and Emailed for additional payment. | 
Customer Satisfaction Guarantee: If you are not completely satisfied with our product, contact us within 30 days, toll-free at 1-800-247-5548 Mon - Thurs 8am -5pm PST or email us at 