Panasonic PT-RW430UK WXGA LED 3500 Lumens Brightness ProjectorThe PT RW430 features 3,500 Lumens of brightness. Rate of brightness deterioration in the LED Laser combined light source is extremely slow compared to lamp based projectors. The Solid shine drive uses a built in sensor to constantly detect the light intensity of the light source and correct corresponding changes in white balance. This all helps to maintain excellent picture quality for a long period of time. Specifications Brightness: 3,500 ANSI