Stream from your camera locally to up to 20 devices or straight to the cloud to unlimited devices with the TERADEK SERV 4 as the heart of your production streaming solution. The SERV 4 allows you to input HDMI or 12-G SDI, monitor locally to an SDI or HDMI monitor connected to the device, stream, and record in the unit using an SD card (SD card not included). It also features mic in and headphones out.