Such many Van and transporter etc, the rear height is higher than 1.8 meters. In order to better see the rear and surroundings of the vehicle when reversing and driving, a suitable camera is needed to achieve it, and our twin lens camera is for this designed,it was our new version cameras for Van, twin lens,roof mounted installation,this ones use High resolution CMOS sensor,4pin aviation connector, it will be more convenience to connect with your monitors, the upper camera for driving.the lower camera for reversing,with the wide view lens, IR LEDs,you will see good image both day and night, image control from swift cable terminal,parking line control from swift cable terminal.more detials you can see out item number: ST-CMOS-TSTW