2 computers share 4 display devices for synchronous output, bandwidth 350MHz, remote control, with RS232 control, suitable for securities market, education and other industries. The input has an automatic detection function, and it is preferred to automatically switch to the detected signal end. Switching mode: 1. Panel button switching 2. Infrared control switching: can be switched by remote control 3. RS232 central control Input interface: 2-way VGA 15HDF interface input. Output interface: 4-way VGA15HDF interface synchronous output. RGB analog channel: bandwidth 350MHz. Input level: 0.5-1Vp-p Input impedance: 75 ohms Output level: 0.5-1Vp-p Output impedance: 75 ohms Line and field synchronization channel: input level 0.7-5Vp-p Line frequency: 30-100 K Field frequency: 43-120Hz Output level compatible with TTL Transmission distance: 45m Support resolution: 1920*1440 Power supply: DC 12V Power: 300mA Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Voltage:AC100-240V Color:Black Material:Metal Package Contents: 1 * VGA Splitter 1 * Remote control 1 * power adapter