brand new and high quality Features: Six-channel automotive noise detector can be used to diagnose defects in vehicle. For example, when the generator is running, it can detect the impact of vibration caused by faults such as bearing, gear, crank, cylinder, gearbox, and vehicle body noise, etc. Insert the headphone connector into the headphone jack, and then clip the six alligator clips around the defective area of the machine. Based on the color and position of the clip, select the relative channel, turn on the amplifier and adjust the volume to hear the sound of the machine, so that the machine can be diagnosed based on the frequency and pitch of the sound. Portable and compact, easy to carry and transport, convenient to store. Specifications: Material: ABS Size: app.24.3x18.9x10.3cm/9.57x7.44x4.06in Color: As pictures shown Quantity: 1set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Detector Host 6 x Alligator Clips 1 x headphone 3 x 3 meters Cable 3 x 5 meters Cable (other accessories demo in the picture is not included.)