<p><b>Dear customer</b> <br> Thank you for purchasing 4 in 1 out HDMI Switcher with PIP in DotStone shop. If you are not 100% completely satisfied.Please feel free to contact us at the first time. We offer worry-free 18-month warranty and friendly customer service.</b></p> <p>The 4x1 HDMI Switcher supports PIP, 4K and 3D can do connect four HD Sources to one HD Display, solve your multiple HDMI devices issues. </p> <p><b>PIP Function</b><br> PIP HDMI Splitter with PIP ( picture in picture )function: have one main picture and three small picture, it can do switch of input sources by auto switch, press button or remote. When you press “PIP” on the remote into PIP state, at left side of main picture will show the new input source small picture, the size and position of the small picture is fixed.</p> <p><b>Please Note</b><br> PIP function effect for input source with resolution <b>up to 4k/30hz</b><br> PIP HDMI Switch does not support hdmi 2.0,If your source device is HDMI 2.0,please set up the resolution to 4k@30hz to use this 4 port HDMI Switch <br> Please take out the insulating sheet before using the IR remote<br></p> <p><b>Feature</b><br> HDMI resolution: HDMI hub supports Full HD, 4KX2K, 3D, 1080p, 1080i, 720p, 576p, 576i, 480p, 480i<br> Digital audio format: DTS-HD, Dolby-trueHD, LPCM7.1, DTS, Dolby-AC3, DSD<br> Power adapter format: Input: AC (50HZ, 60HZ) 100V-240V; Output: DC5V/1A<br> HDMI Switch splitter supports Max transmission bandwidth up to 300MHz, Max baud rate up to 9.0Gbps</p> <b>Package Included</b><br> 1x 4 in 1 out HDMI switcher with PIP<br> 1x AC power adapter<br> 1x Remote control<br> 1x User manual