Brand new and high quality<br />The system will enter into detecting state automatically when you put your car into reverse gear.<br />Green， yellow and red 5 segment LED light strip， prompt the obstacle distance<br />With Bi， Bi， Bi beep progressive alarm， The closer the distance， the rapider the alarm sound<br />With dual CPU， react quickly<br />The probes have self-test function and abnormal state prompt function to avoid reversing collision caused by probe damage.<br />Ultra small LED digital display， comply with the style of car dashboard<br />Embedded probe installation， easy to install<br /><br />NOTE: We will not take responsibility for any installation cost of labor and losses caused by improper use.<br /><br />Probe color: Black， Dark grey， Silver， White， Blue， Red， Grey<br />Rated working voltage: DC 12V (DC 9.6-16V wide operating voltage)<br />Working current: 20-180mA<br />Detecting distance: 30-250cm<br />Display distance: 30-250cm (Display accuracy: cm)<br />Working temperature: -30°C - +70°C<br />Ultrasonic frequency: 40kHz±1kHz<br /><br />1 x Controller host<br />1 x LED display<br />4 x Sensors<br />1 x Power cable<br />1 x Holesaw<br />2 x Double-sided adhesive tapes<br /><img src="http://img6.eachbuyer.com/x4/p93/iv10_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p93/iv10_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p93/iv10_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p93/iv10_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p96/iv08_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p96/iv08_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p96/iv08_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p96/iv08_4.jpg" />