1. Combining freely. 2. LCD DID panel 3. Slim frame stitching technique 4. High ... bezel between 2 screens)Input interfaceYpr/Pb,Av x2,VGA,HDMI,S-video,TVSignal formatNTSC,PAL,480P,576P,720P,1080I,1080PControl ... and alarm,communication error auto inspect…etc functionsMatrixBuild-in matrix,external matrix is selectableWork temperature0-50°CWork humidity15%-75%Power supplyAC220VConsumption250WGross ...