DVI SPLITTER FOR MIRRORED DISPLAYS: View two identical DVI-Digital (24-pin) images from a single DVI-Digital (24-pin) source with this 1ft (30cm) DVI-D to 2x DVI-D (DVI-Digital) splitter; DVI-Analog signal is not supported PERFORMANCE & RELIABILITY: This DVI-D male to 2x DVI-D female splitter offers a built-in 12" cable to remove strain from the DVI-Digital source connector; we recommend DVI-D cables (DVIDDMM6) for high performance & signal reliability FULL HD SPLITTER: This cable is best suited for computers that have a graphics card w/ DVI output, and may not work w/ adapters that convert HDMI/DP/USBC to DVI, or docking stations; this is a passive adapter resolutions over 1920x1200 is not recommended THE IT PRO'S CHOICE: Designed and built for IT Professionals, this DVI-D video splitter is backed for life, including free lifetime 24/5 multi-lingual technical assistance NOTE: Splitter delivers two identical images of the same resolution; cannot be used to span an image across displays or to show different images on each display; product will display the same image on two monitors