Product Funtions: -Video signal testing Vedio monitor tester, 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. Support PAL/NTSC standard video signal. Multi-format video OUT port image generator, sending a variety of standard (e.g. PAL, NTSC) color graphics section - Audio testing Test the audio input from pickup devices. Connect the tester and pickup device with the audio cable. -Enhanced network cable testing By UTP CABLE TEST port on the meter, you can test the connection of network cable. - VGA/HDMI input Support VGA/HDMI 1.1 Compliant Digital input, once connect VGA/HDMI video, please switch selector to select HDMI or VGA mode. The maximum resolution is 1920x1440 - CVI camera test HD video surveillance testing, support 1MP, 2MP, 3MP, 4MP. When CVI signal input, the tester will display the CVI camera image. - TVI camera test HD TVI video surveillance testing, support 1MP, 2MP, 3MP, 4MP, 5MP. When TVI signal input, the tester will display HD TVI camera image. - AHD camera test HD video surveillance testing, support 1MP, 2MP, 3MP, 4MP, 5MP. When AHD signal input, the tester will display the AHD camera image.The tester cannot automatically choose TVI, CVI, AHD, you need to choose Manually. - LED lamp It is useful for the engineer to install and maintain security system at night. LED On/Off pressing button, easy to operate. -The battery graphic display The tester has advanced power control and protection circuit, low-power energy-saving, 3 to 4 hours on a single charge, can be used normally for 11 hours. -PTZ controller -DC12V 1A output power -Image generator etc.