To back up quickly and correctly， you can just install this 3.5 Inch Car Flat Monitor Wired 22.5MM 360 Degree Rotation 805 Webcam Black Four Probes Little Crescent Moon BIBI Sounding Alarm 068 Reverse Back Vision System Kit on your car. It features little crescent moon shaped monitor. It adopts 3.5 inch flat monitor， which can display situation clearly. It can let in-car drivers monitor two side and behind situation of car outside the car at anytime and anywhere. It can also avoid accident and stealing incident. It can act as the third eye of driver. Under the help of this monitor， drivers can back up safely and effortlessly. What is more， the sounding alarm can give you uncontemplated effect. Just install it one your car.                                    Features            It supports self-test function<br>High-performance BiBi， DangDangDang and voice indicator<br>Designed with <br>5 inch flat monitor， it can give you high-definition and reality images<br>Suitable for most of cars<br>Strong anti-interference function<br>Built-in overheat and over-current protection function<br>Stable system and quick reverse<br>Ensure your safe drive<br>Perfect for car owners<br>Avoid accident and stealing incident<br>                                                            Specifications             Dimensions     (10.8 x 7 x 1.5)cm / (4.25 x 2.76 x 0.59)" (L x W x H)    <br> Weight     794g / 28.01oz    <br> Color     Black， Silver    <br> Case Material     Plastic    <br> Detecting Distance     0-2.5 m    <br>                                                             Package Includes            1 x Car Parking Sensor System ( Include Monitor and Webcam and Alarm)<br>