BR-TQS7002-DVR 7" 720P DVR monitor with quad split screen, support 256G SD card, BRvision Unique Design support 4 channel video inputs,reliable and waterproof. It is suitable for your car, van, bus and  truck monitoring.  It can provide all-round monitoring for the vehicle to assist the driver to drive safely. The 7” DVR monitor supports 4 camera inputs with 4 trigger cables. All waterproof cameras come with excellent night vision. They can provide the driver with a very clear image whether it is day or night.. Its operation Temperature is -30℃~+85℃. The screen can automatically switch when reversing, which can help drivers drive safely because they can see every angle of the image. It can work well day and night.