The Reflecta light pad A4 Super Slim has a viewing area sized of approximately 8 x 12" so that 24 mounted 35mm slides can be viewed at the same time. The LED lamps provide consistent illumination of the viewing area, which means that even the extreme edges of the panel can be used for viewing transparencies. The sleek design is notable - this light pad integrates very well in a modern working environment due to its very low profile at only 0.3" thin