HD-2800ADH CCTV tester is perfect for SDI, CVI, TVI, AHD CCTV camera. This CCTV tester has image display test, zooms test, video record test and playback test, PTZ control test, more than 30 PTZ protocols support, RS232/ RS485 support, rate 600 ~ 115200bps, DC12V output support and flashlight.