Product Code: HitchScan3000 Price: Check Latest Hitch Step Backup Sensor The HitchScan Back Up Sensor is a rear park assist that fits into 1 1/4" and 2" hitch receiver and acts as a fully functional hitch step. When the customer engages the reverse gear, the Hitch Scan sensors power up and scans behind the vehicle. Warning tones from the wireless receiver that fits into your cigarette lighter housing will notify the driver as the vehicle gets closer to an object. Note: For trailer hitch heights over 15 inches from road surface. Day or Night; Rain or Shine, HitchScan Backup Sensor by EchoMaster is designed to detect what you cannot see. Popular Mechanics Editor's Choice Award / 2006 Sema Award. Installs and removes in less than 30 seconds, 3 simple steps. No wires to cut, no drilling, no labor. Will not drain batteries and will not void factory warranty. Step 1: Plug in Power (includes 7 way universal power trailer wiring adapter) Step 2: Insert hitch step unit (universal. Fits 1 1/4" & 2" trailer hitches) Step 3: Insert wireless receiver (plug into cigarette lighter)