Car Auto Parktronic LED Parking Sensor With 4 Sensors Reverse Backup Car Parking Radar Monitor Detector System Backlight Display

Features:4 sensor system, double CPU and advanced chipset for enhanced coverage and detection (0-2m). With digital colored LED display (number & light). Help to prevent dangerous and costly collisions. Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle. Detect small children and low walls as well. Anti-freeze and rain proof. Easy to install. A saw drill head included. Specification:Type: Car parking radarMaterial: Plastic Quantity: 1pcs Color: Black Rate Voltage: 12V DC Rate Operating Range: 9V - 16V DC Rate Current: 20mA - 200mA Detecting Distance: 0-2.5m / 0-8.2ft Ultrasonic Frequency: 40KHz Control Box Working Temperature: -30 - 80 celcius Display Working Temperature: -20 - 70 celcius LED Display Size: 9*1.5cm / 3.5*0.6" Control Box Size: 9*6*2.2cm / 3.5*2.4*0.9" Display Weight: 0.088kg / 3.1oz  Package: 1*Main Control Box 1*LED Display Indicator 4*Parking Sensors with 2.5M/8.2ft Line 1*Hole Saw 1*A saw drill head 1*Power Cable 2*Double Side Sticker  FAQ: 1.No obstacle, have  BIBI sound Answer: Red connect to turn lights, black connect  the whole car lights, do not connect the negative. 2. No obstacle，display other number  (1) The display shows different numbers, such as E03-E07,  Answer：  because the Electric current is not stable, buy a regulator specifically connected to the lights, do not shunt with the other    (2) display same number     Answer：  Sensors should have 50 cm high, with the universal meter amount，sensors should be level, otherwise it will detect the ground.  \