This mini microscope is a powerhouse in a tiny package! The 55x power acrylic lens is illuminated by LED light, and powered by 3 (1.5v) button cell batteries. It has an ABS plastic housing and comes complete with a wrist strap. This microscope is ideal for printers, stamp collectors and more. High Powered Mini Microscope Features 55x Power Magnification And Focus Wheel ABS plastic housing for sturdy, crack resistant operationLED light, uses 3 (1.5v) button cells which are includedComes complete with wrist strap and a handy carrying caseA convenient small size: Measures only 43 x 40 x 20mm