Acer P7200i. Projector brightness: 4100 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 2000 h, Lamp power: 280 W, Lamp type: P-VIP. Throw ratio: 64"@2m (1.55 - 2.36:1). Vertical scan range: 50 - 85 Hz, Horizontal scan range: 30 - 100 kHz. Wireless LAN type: 802.11b/g/n