Mitsubishi Electric WD3300U. Projector brightness: 4000 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 4000 h. Focus: Auto, Throw ratio: 1.7 - 2.4. Vertical scan range: 50 - 95 Hz, Horizontal scan range: 15 - 100 kHz, Dot clock scanning frequency: 162 MHz. Video formats supported: 480i/p, 576i/p, 720p, 1080i