Quad processor, 4CH, SAV-104CH 1)4 channel video signal input, 1Vp-p,75 Ohm 2 ... )Auto switch for single image mode 3)CE/Fcc, Quad, 4CH, ... ,3,4 images display9.Support IR remote controllerSpecifiction: Video SystemNTSC/PALImage Refresh RatePAL 25f/s, NTSC30f/sResolutionPAL ... 860?25, NTSC 860?25Video Input4 channel video signal input, 1Vp-p,75 Ohm1 channel recording ...