Mitsubishi Electric HL2750U. Projector brightness: 3100 ANSI lumens, Projection technology: LCD, Screen size compatibility: 7620 mm (300 "). Service life of lamp: 5000 h, Lamp power: 220 W. Focus: Manual. Vertical scan range: 50 - 120 Hz, Horizontal scan range: 15 - 100 kHz, Dot clock scanning frequency: 162 MHz. Video formats supported: 1080i(1125i 50/60Hz), 480i/p(525i/p), 576i/p(625i/p), 720p(750p 50/60Hz)