Essential. Projector brightness: 3600 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024×768). Service life of lamp: 4000 h, Bulb power: 203 W, Lamp type: OSRAM. Focus: Manual, Focal length range (f-f): 21.85 – 24.01 mm, Throw ratio: 1.94 – 2.16:1. Analog signal format system: NTSC,PAL,SECAM, Supported graphics resolutions: 1024 x 768 (XGA),1920 x 1200 (WUXGA), Video processing: 30 bit. Noise level: 33 dB, Noise level (economic mode): 28 dB