Acer Basic X1529HK. Projector brightness: 4500 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Lamp type: OSRAM, Lamp power: 245 W. Focal length range: 15.85 - 17.44 mm, Digital zoom: 2x, Optical zoom: 1.1x. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), Supported video modes: 1080p. Serial interface type: RS-232, HDMI connector type: Full-size