You may also like. 4in1 Tester Monitor TVI CVI AHD VGA CVBS Security CCTV Camera Test 5 HD 1080P. PLEASE NOTEthis model tester do not support IP CAM test. Video Signal Testing : Compatible with AHD, TVI, CVI, CVBS video test. 5.0 inch 800(RGB)x480 resolution. PTZ Control: RS485 Control, Porter 1200115200bps, compatibe with PELCO-D/P protocol. ...