Single Infrared Sensor; Adjustable Warning Distance From 8 Inch To 28 Inch Curb Distances; Mounts Under Vehicle Front Fascia; Weatherproof Housing; With Auto Shut-Off 3 Minutes After Engine Is Turned Off And Built-In Sensor Failure Indicator. Manufacurer Part Number: 5000-CA5. Shipping Dimensions: 8.7 X 1.15 X 3.6 inches.