4-Channel 1080P Quad Video Processor & Multiplexer for AHD/CVI/TVI/Analog CCTV — Digital Zoom, Multi-Channel Freeze, Video Loss Alarm

This unit supports real-time 4-channel 1080P HD video output with a variety of display layouts. Compatible with AHD, CVI, TVI or analog security cameras, and the TV system is selectable between PAL or NTSC. Features include digital zoom with a selectable zoom area, automatic sequential switching, and a video loss alarm. You can freeze a single channel or multiple channels at once, allowing simultaneous video freezing as needed.