... as well as orientation,2.Automatic static object determination, adaptive for all type of spare tire vehicles,3.Components Included: 4 ... frequency,4.Rated Voltage: DC12V,5.Operating Temperature: -40°C to +85°C,6.Max Detect Range: 1.5m/Custom-made ... 60°,10.Audio Warning:5 status,11.System activates automatically when reverse gear is engaged. parking aid system with hight quality and reasonable cost