Air Brilliance technical specifications LC4746 cClear Air Brilliance 3x 0.79" high-temperature poly-silicon active matrix LCD’s Resolution Brightness 2600 ANSI lumens dimmed 2000 ANSI lumens Lamp 200 W Philips UHP Avarage life time 2000 hours Contrast 400:1 Fan noise 33 dB (30 dB in whisper mode)