ViewHD Mini DisplayPort / Thunderbolt to NTSC | PAL TV Universal Video Converter (AV / RCA Composite Video / S-Video Outputs) | New Model: VHD-MDP2AVs For Apply computers or compatible video sources with Mini DisplayPort / Thunderbolt Support Mini DisplayPort Input Video: 640x480; 800x600; 1024x768; 1280x768; 1280x1024; all at 60Hz. Support TV system: PAL and NTSC TVs with a PAL / NTSC Switcher Output: RCA Composite Video, S-Video, Analog Stereo Audio; with LED indicator Powered by USB DC 5V Power Device (not included), such as the computer USB Port