This 4x2 SDI switcher can simultaneously connect four HD/3G-SDI signal sources to two HD display monitors. It easily switches four HD signals between HD display monitors or projectors. Utilizing high-speed, high-bandwidth chips for lossless transmission, it supports automatic signal identification and switching. The built-in chip automatically detects and is compatible with SDI signals in various formats, including HD-SDI and 3G-SDI. This product is widely used in SDI digital audio and video processing scenarios, including security, surveillance systems, HD photography systems, and data center control. Supports remote control with infrared extended reception. Supports RS232 protocol code control. Automatic and manual switching modes. Supports DC 5-12V power supply. Compact structure, stable and reliable. Signal: HD-SDI, 3G-SDI Input: 4 ports Output: 2 ports Maximum resolution: 1920x1080/60Hz Signal bandwidth: 350Mbps Maximum data rate: 3G Power supply: DC 5-12V/1A Power consumption: 5W Maximum current: 300mA Voltage: AC100-240V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Color: Black Material: Metal Package Contents: 1 x SDI Splitter 1 x remote control 1 adapter 1 x serial cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.