Car LED Parking Reverse Backup Radar System with Backlight Display &#43; 4 Sensors Dark Blue<br/>Features:<br />LED digital display with BiBi sound reminder.<br />4 sensor system, double CPU and advanced chipset to enhanced coverage and detection.<br />Be beneficial to prevent dangerous and costly collisions.<br />Help to provide increased safety for passengers, pedestrians and family members who happen to be around the moving vehicle.<br />Detect small children and low walls as well.<br />Anti-freeze and rain proof.<br />Easy installation and operation.<br />With a drill head, convenient to drill hole.<br/>Specifications:<br />Sensor color: Dark Blue<br />Rate voltage: DC12V<br />Operation voltage range: 9-16V<br />Rate current: 20mA-200mA<br />Detecting distance: 0-2.5m<br />Ultrasonic frequency: 40KHz<br />Control moudle working temperature: -30 - &#43;70 celcius degree<br />Display working temperature: -20 - &#43;60 celcius degree<br />Sensor size(H * D): 1.9 * 2.5cm / 0.75 * 0.98in<br />LED display size: 9.9 * 2 * 2.6cm / 3.9 * 0.79 * 1.02in<br />Main control box size: 10.5 * 6 * 2.3cm / 4.13 * 2.36 * 0.91in<br />Display weight: 89g / 3.15oz<br />Main control box weight: 63g / 2.22oz<br />Item weight: 355g / 12.52oz<br/>Package includes:<br />1 * Main Control Box<br />1 * LCD Display Indicator<br />4 * Sensors with 2M Line<br />1 * Hole Saw<br />1 * Power Cable<br />2 * Double Side Sticker<br />1 * User Manual