Power the camera with DC12V (1A) power output from the tester. It is helpful for demo and testing when the power supply is not available testingTest the input from pickup devices. Connect the tester and pickup device with the cable. Enhanced network cable testing By UTP CABLE TEST port on the meter, you can test the connection of network cable. TVI camera testHD TVI video surveillance testing, support 8MP (IV8W ) / 720p 25, 30, 50,60fps/ 1080p 25,30fps (IV8S). When TVI signal input, the tester will display HD TVI camera image., Manufacturer: DRAUXI