1、EFFICIENT AND FAST: Mini CCTV monitor for CCTV system can ensure you to get the job done faster and better 2、MULTIPLE POWER SUPPLY: Large capacity batteries allow CCTV monitors to work for a long time and are easier to replace. The display has a 12V DC power output, allowing you to power your camera separately in cases where a separate power supply is difficult to provide 3、INPUT PORT: The multifunctional CCTV tester display also supports VGA input and High Definition Multimedia Interface input. You can use the monitor and the DVR to work together easily and quickly 4、SCREEN INFORMATION: The CCTV test monitor has a mini size 3in display with a screen protected by film and rubber guards on both sides, which you can use in different environments. Free kit and cable are provided to ensure your use and more convenient 5、WIDE APPLICATION: Portable and easy to carry, the CCTV tester is perfect for testing AHD cameras, TVI cameras and CVI cameras up to 8MP, making it ideal for upgrading older CCTV analog signal systems. UTP cable testing is also supported