Description This product is designed to assist in the precise alignment and calibration of cameras and lenses. Featuring a detailed focus testing chart, it makes optimal image clarity and sharpness. Its compact design makes it easy to handle during installation, providing a sturdy tool for camera setup and maintenance. Features -Color:Multi -Material:Paper - Size: 40.00X32.00X0.10cm/15.72X12.58X0.04in -Clear image: makes cameras capture sharp and clear images, enhancing overall image for monitoring systems -Easy lens adjustment: simplifie the lens calibration process, boosting work and enabling quick deployment of various devices -Versatile application: provides accurate image assessment for both indoor and outdoor , catering to different environmental needs -Sturdy design: built to last, reducing the frequency of replacements and suitable for longterm projects -Intuitive test pattern: features test pattern, allowing technicians to quickly master calibration techniques and optimize network performancePackaging list: 1 x color test chart