The product is a projector of Eiki company with the model number of EK-600LU/EK-500LU. It has 5,000~6,000 center lumens brightness, 80% uniformity and 5,000,000:1 contrast ratio. It supports UXGA, WUXGA and 4K input, and is compatible with all color standards of analog and digital video input, up to 1080p. The product adopts laser light source design, which can achieve 30,000 hours of operation time without light source replacement, reducing maintenance work and giving users a good experience.