Shenzhen Aikexin Electronics Co.,Ltd is one of the leading China 1.4v HDMI switch 4x1 manufacturers and suppliers,Website:http://www.szaikexin.com, and also a professional company. FEATURES  1.Switching HDMI Signal 4 in 1 out. 2.Support HDCP protocol and applicable to source device and high definition  display device such as DVD and HDTV which have HDMI or digital ports  and are compliant with HDCP protocol. 3. Support high resolutions up to 3840*2160, including 480i/p,576p,720i/p, 1080i/p and 2160p 4. Support HDMI 1.4 5. Extend the transmission distance and improve transmission signal. 6. Compatible with DVI by using HDMI TO DVI adapter. 7. Plug-and-play. 8. Convenient to connect multi-group input signals to display on one HDTV. 9. Save space. Allow several sources to use one high definition display device  simultaneously. 10.Metal casing design and overall shielding without signal interference. 11.Select input port by hand freely. 12.LED indicates signal and power mode. 13.Item NW.224G; Item Size: 145x62.5x20mm; 14.Each packing including one item+one user manual+one remote control +one usb power supplier cable+one IR cable 15.In neutral color box or in PE bag; 50pcs/ctn (48x36x41.5cm)