This HDMI adapter is perfect for connecting your GoPro, TV, camcorder, or dashcam to a larger screen. The adapter has a split/duplication feature that allows you to connect multiple devices to the same screen. In addition, this HDMI adapter has a California Prop 65 Warning that you should refer to for details. It is compatible with a variety of devices and has features that make it easy to use. The cable length and output voltage are not specified in the description, so please refer to the product for more information.
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