【Professional Standard Light Sources】It is equipped with 4~6 commonly used light sources, meeting international standard requirements. You can easily switch between different light source according to your actual needs, simulate color expression under various lighting conditions, and ensure color consistency. 【Powerful Function】It features automatic light source switching, metamerism test (same color different chromatogram), and automatic data saving functions, allowing it to automatically save all records of content after a power outage. Each individual source name, frequency, and switch usage time can be permanently recorded. 【Large Capacity】Its large inner size provides you with sufficient internal space for placing samples for comparison while ensuring uniform light distribution. The spacious observation space and appropriate height facilitate your comfortable observation of color deviation. 【User-Friendly Design】The intuitive control interface, clear indicator lights, and power switch make the working simple. The LCD screen allows you to view the usage time, name, and switch frequency of each light source easily. Moreover, it does not require preheating and without flicker, ensuring fast and reliable color evaluation. 【Wide Industrial Applicability】Widely used in textile, printing and dyeing materials, visual assessment of color fastness, color proofing, color identification and fluorescent material. Such as plastic, paint, ink, pigments, shoes, hardware and other multi-industry color management field.