Infocus L850 LCD Projector. Projector brightness: 4500 ANSI lumens, Aspect ratio: 4:3, Projection technology: LCD. Service life of lamp: 1500 h, Lamp power: 320 W, Lamp type: UHB. Vertical scan range: 50 - 120 Hz. Analog signal format system: NTSC, NTSC 4.43, PAL, PAL-M, N. RMS rated power: 1 W