Convert high quality of HDMI video signal to normal CVBS(AV) signal (standard-definition 480i ).Enables you to play on TV, VHS VCR, DVD recorders, etc INCOMPATIBLE with TV Sticks, (such as Fire Stick, Roku, mobile phones and iPad series. Employ the latest video processing technology, enhance picture's Brightness / Contrast Ratio / Color.Its Output CVBS Transparency is Ultimate Clear Use the Scaler video processing technology: high-definition HDMI signal after Scaler Down into CVBS output Support PAL and NTSC two standard TV formats output; Plug and play without any drivers; Flexible and portable. Please hook up the USB power cable to 5V power plug before use.