Steelman Stethescope Electronic Tracer Ear JSP06400 (Replaced by 65001)

Ultra sensitive microphone and amplifier uses 9 volt battery (included)Gives full range of sound – no missing frequenciesIsolates sound – no unwanted sounds bleed inNon conductive – will not zap expensive computer circuitryFlexible shaft reaches the tightest areasPin-points noise and location of worn bearings & bushings, noisy valves & lifters, broken, worn gear teeth, faulty fuel injectors, wind or air leaks, annoying squeaks and rattlesCarrying case included