Microscope Eyepiece Type Monocular Microscope Type Compound Light Source LED Optical Field of View 26 mm Optical Magnification 0.67X to 45X Maximum Magnification Capability 100X Manufacturers Warranty Length 1 yr Working Distance Infinite Eyepiece Protractor No Features 10X Eyepiece with Graduation Focus Adjustment Includes (2) AAA Batteries Pen Light