4 Ch Video Input Supports up to 16 Ch with 4 boards stacked 2 Ch Audio Input 30 Frames Per Second Display (120 FPS max) 30 Frames Per Second Recording (120 FPS max) 640*480 Resolution
4 Ch Video Input Support up to 8 ch with 2 boards stacked 2 Ch Audio Input 120 Frames Per Second Display (240FPS max) 120 Frames Per Second Recording (240FPS max) 640 x 480 Resolution
16 Ch Video Input Supports up to 32 ch with 2 boards stacked 2 Ch Audio Input 60 Frames Per Second Display (120 FPS max) 60 Frames Per Second Recording (120 FPS max) 640 x 480 Resolution