--DVI Splitter 1 in 2 out--Distribute one DVI-D video signal to two DVI-D monitors, the two monitors display the same picture. 1x DVI input and 2x DVI output --High Resolution--Support DVI signals resolution up to 1920x1440. lossless transmission --EDID Management System--Output 1 port is the copied port, to make sure the better compatibility of the splitter, please connect the lower resolution monitor with the output 1 port.