The HDMI to AV signal Adapter which will convert HDM video signal or audio signal to AV(CVBS)composite video signal and the FL/FR stereo audio signals, while support DVI system sideline signals. To help users convert the high quality of the HDMI video signal into normal CVBS signal(standard-definition 720i,1080i,720P,1080P). So that can play on TV,VHS VCR,DVD recorders,etc and support NTSC and PAL two TV format Specifications: 1. Input ports: 1xHDMI. 2. Output ports: 1xRCA (Yellow,White,Red). 3. Dimensions(Inch): 2.83(D)x2.16(W)x0.79(H) 4. Weight (OZ): 1.4 5. input: HDMI . 6. output: PAL, NTSC3.58, NTSC4.43, SECAM, PAL/M, PAL/N NOOOOTTTEEE!!! Power Adapter Not Included! Cable included Only! You can use most most of your Smart Phone Charger connect with the USB cable(5V, 500~2000mAh). When your HDMI Cable offers the power, you do not need to connect with USB Power Adapter! For HDMI Fire Sticks or TV Sticks without Power through the HDMI , then Must connect the Power Supplier! NOTE: If some of customer appears problem about image quality, Check below solve information. First, You must double check with your RCA Cable(3pcs= CVBS+L+R), Most import is for CVBS cable. might be rusted bit and didn't connected well then it will appears waving or something. Or you can rotate again and again with RCA cable when connected TV and see the image on TV Changing. it's not about the HDMI cable problem. If TV Discolored, and you can try with your TV and set up the color choices. Most likely the Old TV will de-fade color years by years.