... : 40kHZ, 2.Buzzer Sound Pressure Level: >80dB Parking Aid System Features:1.Color Display indicates obstacle distances as well as ... Automatic static object determination, adaptive for all type of spare tire vehicles,3.Components Included: 4 sensors/ECU/ buzzer/buzzer ... Horizontal 120°, Vertical 60°,10.Audio Warning:5 status,11.System activates automatically when reverse gear is engaged. parking aid ...