The system consists of an AHD monitor, a front-view camera, a rear-view camera, and two side-view cameras. The popular 4-channel AHD DVR supports 4 channels of real-time preview and storage with a 256G SD card. It has a built-in high-performance image processing chip, H.265 video compression code, and a high compression ratio. All waterproof cameras come with excellent night vision. They can provide the driver with a very clear image whether it is day or night.

SD Card DVR is our cost-effective system, we also have Harddisk DVR with 4CH+1IPC and 8CH+1IPC for your options.