Carson Optics MicroBrite MM-24Measures 4 1 2" x 3". A 20x 40x zoom pocket microscope. Super bright LED light illuminates your viewing subject to ensure a clear, bright image. View your object at 20x magnification or zoom in to an impressive 40x magnification to see even the finest details. Simply place the MicroBrite directly on any subject to see a magnified view or use the included base to view specimen slides. The MicroBrite is so compact and portable you can bring it with you