AmScope 40x-1000x Cordless LED Compound Biological Microscope 40x-1000x Cordless LED Monocular Microscope Four Widefield Magnification Powers up to 400X Metal Framework with Abbe Condenser & Iris Diaphragm Separate Coarse &amp; Fine Focus with Tension Control Wall-Power Adapter/Recharger and Three Rechargeable Batteries Included