Features:
Wireless Noise finder Receiver isolates up to 4 different transmitter locations.
LED light indicate the strength of signal of the active channel. And help you to compare and find noise location
Illuminated button indicates active channel at a glance.
Adjustable volume control, On/Off switch.
Listen to noises with the built-in speaker or connect through jack using earphone set.
Includes: 6AA Batteries, 16 AAA Batteries, Molded Case, Location Identifier Note Pad Instruction Manual and Organizer Pouch.

Applications:
Quickly pin points source and location of noise:
Faulty fuel injectors
Under chassis
Under hood
Bearing, gears and suspensions
Transmissions
Differential/C. V. Joint