BenQ MX810ST, 2500 ANSI lumens, DLP, XGA (1024x768), 1041.4 - 7620 mm (41 - 300"), 1.073 billion colours, 31 - 99 kHz BenQ MX810ST. Projector brightness: 2500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3500 h, Service life of light source (economic mode): 5000 h. Zoom ratio: Fixed. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1600 x 1200 (UXGA), 640 x 480 (VGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 720p. Noise level: 32 dB, Noise level (economic mode): 27 dB https://www.alphr.com/benq/benq-mx810st/31232/benq-mx810st-review/ As the price suggests, you get some cutting-edge features with this projector, including a 0.61:1 ratio short-throw lens that can project a huge 81-inch image from a distance of just 1m. The MX810ST is 3D-ready and includes an Ethernet port. Coupled with ... It bristles with lots of useful features and offers good all-round performance. Worth the high price...