This is a high-quality video processor from Everfocus that allows you to connect up to four cameras and display their feeds simultaneously. The model is EP4CQ-VGA/2BNC/RS232, making it perfect for businesses and industrial settings. The quad processor allows for easy monitoring and surveillance, and it is compatible with various camera brands.

The device has been tested to turn on,  no further testing performed. It also comes with various features such as VGA and RS232 compatibility, making it easy to integrate with other devices. This video processor is an ideal choice for anyone looking to monitor multiple cameras at once.