Draper Electronic Stethoscope | EtesThis electronic stethoscope is designed to quickly and easily identify the source of automotive noises and vibrations. It is particularly useful for diagnosing issues in engines, gearboxes, and bearings in noisy environments. Featuring an extra long probe, it is ideal for use in tight spaces. The volume control and headphones provide clear audio results. It operates on a 9V battery (sold separately) and includes a battery indicator that signals when