The Byomic BYO-ST3LED Stereo Microscope is suitable for beginner hobbyists and use in schools. The BYO-ST3LED is equipped with a sturdy metal casing and a standard 20x or 40x magnification. The magnification is achieved through the two 10x wide angle eyepieces and a set of 2x and 4x objective lenses. The BYO-ST3LED is equipped with LED lighting, which is powered by 3 AA batteries ( not included) or through the supplied power cord. The light is located on the top and bottom of the BYO-ST3LED and can be switched on and off separately.