1、With buffering and amplification function. 2、Over 15m Long-distance transmission can be achieved by connecting multiple distributors in series. 3、If two or more splitters are used for cascading, they can send more signals and transmit longer distances. 4、Quick installation, easy to operate. 5、Full support for HDMI4, HDMI 2160P, fully compatible with HDCP. Features: 1. With buffering and amplification function. 2. Over 15m Long-distance transmission can be achieved by connecting multiple distributors in series. 3. If two or more splitters are used for cascading, they can send more signals and transmit longer distances. 4. Quick installation, easy to operate. 5. Full support for HDMI 1.4, HDMI 2160P, fully compatible with HDCP. 6. Support 480p, 576p, 720p, 1080i, 1080p 2160P 30hz resolution. 7. Easily connect to multi-channel audio receiving devices. Specification: Transmission Distance: Over 15m Method: Stacking Support Resolution: 480P 576P 720P 1080P 1080I 2160P 30hz Support: HDTV 2160P Size: Approx. 6.4* 6.1*2cm/ 2.52* 2.4* 0.79in Package List: 1 * User Manual 1 * HDMI Splitter 1 * Power AdapterNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.