Ergonomic Design: Machine noise detector is easy and fast for user to use with simple key mode and comfortable hand feeling. Suitable for automotive chassis transmission operating conditions for monitoring. Multi Channel: When a generator is running, it can detect the impact of vibration due the failure of a bearing, gear, valve, crank, cylinder, gear case, vehicle body noise, etc. Abnormal Sound Detector: High‑performance diagnostic tools especially for noise that can easily identify automotive early problems and facilitate car repair as soon as possible. Quick Detection: Car noise stethoscope can rapidly detect crude oil / gasoline engine cylinder mechanical noises emitted and accurately identify the fault location. Easy Six‑channel design acousto‑optic synchronization, simple and comfortable earphones and the volume can be adjusted at will, you can select the channel you want to receive and send the sound to the headset.