Wireless ChassisEar by Steelman - Chassis Ear 60635 Steelman

Wireless Channel Receiver isolates up to 4 different transmitter locations.
LED light indicate the strength of signal of the active channel.
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 and earphones
Automotive noise squeak detection Steelman 97202