How bright are the light boxes?

The LightTracer ranges from 14,000 lux at the top to 5,000 lux at the bottom.

The LightPads 920 LX, 930 LX, 940 LX, and 950 LX are dimmable. They have a range of 500 to 550 Lux.

The LightPads 920, 930, 940, and 950 have an even 3500 lux across the entire surface.

All are strong enough to shine through 140 lb. watercolor paper!