Features High brightness LED illumination. Precision zoom microscope with 20X-40X magnification ratio.  An ideal microscope for hobbyists, collectors, electronic engineers, scientists and students. The rotatable LED bulb can focus the light on the object. Focus can be adjusted by rotating the wheel. S pecification: Model: MG10081-8 Material: ABS Plastic and glass Magnification: 20X-40X Battery type: 3 * LR43 batteries ( NOT included ) Size: 115*70*47mm / 4.5*2.7*1.8in Weight: Approx. 97g / 3.4oz   Package list: 1 x LED Lighted Mini Microscope 1 x User Manual   Note : 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding. Package List