4 ULTRASONIC SENSORS - Auto Rover car reverse radar system is equipped with 4 sensor system installed at the rear bumper of car. double CPU and advanced chipset for enhanced coverage and detection.</br>LED DISPLAY - The Auto Rover car reverse radar system is equipped with colored LED digital display, which shows the distance between the car and obstacle.Image sound dual prompt, no false positives, prevent collision. multi-color configuration: green, yellow and red.</br>INCREASES SAFETY - The Auto Rover car reverse radar system can detect small children and walls,helps to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle, Prevent future dangerous and costly collisions and help avoid incidents.</br>PREMIUM QUALITY - The Auto Rover car reverse radar system is made from premium quality materials to ensure durability and longevity,it is designed with protective circuits and high quality components to prevent the product from overheating or overloading.</br>WEATHERPROOF :The Auto Rover car reverse radar system has an adaptive environment technology, anti-freeze, waterproof, and quakeproof.This helps protect the radar system from freezing and is solid weather proof.</br></br>Product Description</br></br><p>This Auto Rover Car Reverse Backup Radar System Parking Sensor Kit consists of Human Voice Alert + LED Display + 4 Sensors,making the job of parking any vehicle much easier. <br> <br> Features:<br> - LED Display<br> - Human Voice Alert<br> - With a drill head, convenient to drill hole on the bumper of the car<br> - Be beneficial to prevent dangerous and costly collisions<br> - Central AV controller box for easy connection<br> - Anti-freeze and rain proof,Prevent rubbing,sensitive probe<br> - High quality, easy installation and operation<br> - Double CPU and advanced chipset for enhanced coverage and detection<br> - With Green, yellow, and red 7-segment LED bar to prompts obstacle distance<br> <br> Specifications:<br> -Rated Current: 20-200mA<br> -Power Input: 9-16V DC<br> -Working temperature: -30-+70<br> -Display working temperature: -20-+60<br> -Bi Bi Bi Alarm voice: >80dB<br> -Ultrasonic Frequency: 40KHz<br> -Sensor detection range: 0cm-2.5m<br> -Display range: 30cm-2.5m<br> <br> Package included:<br> -1 x Main Control Box<br> -1 x LED Display<br> -1 x Power Cable<br> -1 x Hole Saw<br> -1 x Double Sided Adhesive Pad<br> -1 x User manual <br> -4 x Parking Sensors with 2.5m Line<br> <br> <br> ¡¡</p></br><br/>http://www.amazon.com/gp/product/B01DDJOFBY