Security Camera Tester Monitor 5Inch 4 In 1 Lcd Cctv Tvi Cvi Ahd Vga Cvbs 1V18W. Support CVBS + AHD (5MP) + TVI (5MP) + CVI (4MP) Camera. This CCTV tester not supported Digital Multimeter , can not test IP camera. The new HD coaxial tester is developed for the on-site installation and maintenance of ...