The STEELMAN PRO 60605 Wireless ChassisEAR 2 is an upgrade on the classic that utilizes several advancements and improvements to help quickly pinpoint squeaks, rattles, and any other troublesome and errant noises across a vehicle’s engine, axles, and chassis. Ideal for diagnosing faulty fuel injectors, bearings, gears, suspensions, transmissions, differentials and CV joints, and under hoods, this tool works as a high powered wireless stethoscope for your car or truck. The main control unit features a 4.3-inch color LCD touchscreen to coordinate the signals from the included transmitters via an easy to use interface and its’ internal rechargeable battery can provide up to 3.5-hours of continuous runtime per charge. Each of the 4 independent transmitters connects to a piezoelectric microphone clamp and can be placed in a separate location around the vehicle. Included with the kit are hook-and-loop straps and zip ties for added security against clamps comin