Steelman Wireless ChassisEAR Auto Diagnostic Tool Kit, Identify The Cause of Troubling Vehicle Noises, 4 Transmitters with 50-Foot Range (61082)

NOISE DETECTION - Detect the source or squeaks, rattles, and other errant or troublesome noises

50-FOOT RANGE - Transmitters have a 50-foot signal range allowing use on small and large vehicles

BUILT-IN SPEAKER - Monitor sounds with the built-in speaker or via headphones through the 3.5mm jack

SIGNAL STRENGTH INDICATOR - LED lights indicate signal strength of the active channel

ILLUMINATED CHANNEL BUTTONS - Active channels have illuminated buttons and can be changed or muted with a quick push