Optoma HD300X. Projector brightness: 1600 ANSI lumens, Aspect ratio: 16:9, Projection technology: DLP. Throw ratio: 1.5 - 1.8:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1280 x 720 (HD 720), 1920 x 1080 (HD 1080), Supported video modes: 1080i, 1080p, 720p. Serial interface type: RS-232. Noise level: 27 dB