Test the input from pickup devices. Connect the tester and pickup device with the cable. Multi-format video OUT port image generator, sending a variety of standard (e.g. PAL, NTSC) color graphics section Video monitor tester built-in Pelco-D / P PTZ control protocol, etc. , through its own RS485 interface, the user can control the PTZ up, down, left, right rotation, and adjust one machine zoom, aperture size. Vedio monitor tester support High-resolution 5.0 inches 800 (RGB) x480 wide viewing angle display, Viewing angle larger, more intuitive and easy to display the camera image quality., Manufacturer: DRAUXI