Custom installation testing kit includes HDMI signal generator, 7-inch HDMI/VGA/component monitor, HDMI EDID emulator, 5 hours battery for monitor and custom carrying case. It is designed to diagnose digital connectivity issues in AV systems. This tool suite allows residential and commercial integrators and installer ability to diagnose 99% of all digital connectivity issues in moments, saving both time and overhead. AT-HD800 signal generator allows users to send variety of high resolution testing patters in both 2D and multiple 3D formats. This unit also provides and on screen readout of all EDID information sent from display data channel (DDC) allowing users to pinpoint interoperability issues in sources, cables, extenders, switchers, AVR's, distribution amplifiers and displays. AT-DIS7-PROHD is 7-inch HDMI/VGA/component testing monitor designed to test display capabilities of any digital AV system. This portable display will recognize any HDMI, DVI, VGA or component video sources at both HDTV and VESA resolutions up to 1080p or 1920x1200 and allow integrators and installers to observe both digital audio and video signals in real time. Atlona AT-HDSync is perfect device to fix any EDID, hot plug or sync issue. Almost 90% of all issues when installing HDMI equipment is related to missing EDID or incorrect read-out. HDSync is capable of recording EDID of any display and when connected between source and further equipment can trick source to think that it is connected directly to display vs to any other device. AT-BAT-DIS7PRO is 4 hour battery for AT-DIS7-PROHD (7-inch HDMI/VGA/component display).