Tendak HD 1080P HDMI to HDMI and 3RCA AV CVBS Video Output Box Converter Adapter with PAL/NTSC Zoom for PC Laptop Xbox PS3 TV STB VHS VCR Camera Blue-Ray DVD Synchronously convert HDMI signal to the AV(CVBS) Composite video signal and the L/R stereo audio signal and HDMI signal synchronously Zoom button adjusts the edge of TV screen to output the desired CVBS video; NTSC/480i or PAL/576i formats switches to output analog composite video signal Connect devices with HDMI standard port to monitors with AV/HDMI input interface, make the high-definition audio and video converter for old-fashioned TV, also projector can receive composite video signal, to achieve long distance transmission Automatically identify the front signal resolution, no need to setup HDMI Input Support:480i/480p, 576i/576p, 720P, 1080i/1080p at 50Hz or 60Hz; Compatible with several DVI format:800x600p, 1024x768p, 1280x1024p, 1360x768p, 1680x1050p, 1920x1080 etc