Evertech 3.5" 4in1 AHD TVI CVI Traditional Analog CCTV Video Security Camera PTZ Tester Compatible with all 1080P 960P 720P TVI CVI AHD and Traditional Analog Video Mode Security Cameras DC12V Power Output. When you test any security camera, you do not need any power adapter. Capture the PTZ protocol to assist the setting personnel to find out the control protocol and therefore easily target the problematic equipment. PTZ (P/L & Zoom) Control: Control the status of P/L, zoom in/out the camera, adjust the aperture, foci and setting parameters, run and call the preset.