The FM Systems CM-2 Camera Master 2 CCTV Video Signal Tester is the perfect tool for testing and measuring video signals from your CCTV system. With a range of video input connectivity options including NTSC, 2 BNC (Female) Loop-through, Composite, and CCTV, this tester is versatile and easy to use. It features a 9v Alkaline or Ni-cad battery-powered design, making it convenient and portable. This high-quality tester from FM Systems is ideal for use in a variety of settings, including business and industrial environments. Its features include a sleek design, durable construction, and reliable performance. Whether you're a professional or a DIY enthusiast, the FM Systems CM-2 Camera Master 2 CCTV Video Signal Tester is an excellent choice for your CCTV testing needs.