Samsung M250, 2500 ANSI lumens, LCD, XGA (1024x768), 500:1, 30 - 300", 39.4 - 551.2" (1 - 14 m) Samsung M250. Projector brightness: 2500 ANSI lumens, Projection technology: LCD, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 5000 h. Focus: Manual, Focal length range: 19.2 - 23 mm, Digital zoom: 4x. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL 60, SECAM. Serial interface type: RS-232 https://www.projectorcentral.com/samsung_M250_portable_projector_review.htm The Samsung M250 portable projector excels at standard presentation material and can accommodate relatively large screen sizes thanks to a real world light output of 2000+ lumens even in eco-mode. The 5,000-hour lamp life means that most users will end... If you are a traveling presenter in need of a bright data projector with low fan noise, the Samsung SP-M250 might be just the ticket. It produces a bright, sharp image and can be easily moved between locations and setup quickly. It excels at standard ... http://peripherals.about.com/od/projectors/fr/Samsung-Sp-M250-Review.htm The SP-M250 from Samsung is a lightweight, easy-to-use LCD projector that's best-suited for business presentations and the like. While it does not feature a built-in DVD player like the Epson PowerLite Presenter, the $699 price reflects this and comes ...