Acer H7531D. Projector brightness: 2000 ANSI lumens, Projection technology: DLP, Screen size compatibility: 23.9 - 193.5 mm (0.94 - 7.62 "). Service life of lamp: 2500 h, Lamp power: 230 W, Lamp type: P-VIP. Digital zoom: 8 x. Vertical scan range: 50 - 85 Hz, Horizontal scan range: 30 - 100 kHz. Noise level: 30 dB