This is an all real time 16CH video quad processor with 4CH audio. Support RS485 PTZ control function and RS232 controller.

• High Resolution Display Quality.
• NTSC/PAL
• English menu
• 16 image split display, 9 image split display, 8 image split display, Quad image display.
• Each image quality can independently adjust.
• The image can auto switch each other.
• 2 PIP functions and 1 PIP function, each PIP position can be adjustable and display channel number can be edited.
• Dual Split function, each picture position can adjustable and display channel number can be edited.
• ZOOM function. A zoomed area can be moved while zoom function is invoked.
• High Quality image freeze function, more than one image can freeze in different channel.
• Image loss alarm.
• 60 groups’ event record (of motion detection and image loss alarm).
• Each channel number can be edited.
• Screen position and the length time of alarm can be adjustable.
• Support RS485 PTZ control function and RS232 controller.
• Support IR remote controller. 
• Total Rate: 400fps PAL; 480fps NTSC