Features: * 4 sensor system, double CPU and advanced chipset for enhanced coverage and detection (0-2.5m). * With digital colored LED display (number & light). * LED display indicates Right, Middle and Left. * 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. Specifications: * Rate voltage: 12V DC * Rate operating range: 10.5V - 16V DC * Rate current: 100mA - 300mA * Detecting distance: 0.3 - 2.0m * Ultrasonic frequency: 40KHz * Control moudle working temperature: -30 - 80 celcius degree * Display working temperature: -20 - 70 celcius degree * Display size: 11 * 1.7cm * Display weight: 89g * Main control box size: 10.5 * 6 * 2cm * Main control box weight: 63g< * No Retail Packing 1 * Main Control Box 1 * LED Display Indicator 4 * Parking Sensors with 2.5M Line 1 * Hole Saw 1 * Power Cable 2 * Double Side Sticker 1 * User Manual