Specification
-Dimensions: 8x6x3cm
-Power: 2 AA battery, or external DC-6v source

Guide of Operation
1. Microscope ×25--40 objective lens and ×10--16 eye lens.
2. Dilute the paint with ratio 1:200 to make an observed suspension. Remove the diluted suspension into the liquid pond with dropper. Cover the glass sheet on the top of the liquid pond. If there is an air bubble under the sheet, eliminate it by fully filling of liquid in the pond.
3. Insert two AA battery in the box and switch on the power to light the liquid pond with green light of LED. Put the box on the platform of microscope and let the liquid pond directly under the objective lens. Slightly move the box for viewing access.
4. Slow raise the tube of microscope using it's knob and view from the eye lens until some suspended particles in liquid appearing in your view. Adjust the microscope slightly to focus suspended particles clearly.
5. Connect external DC-6v power to the box with correct + and- poles. After a while the liqid in the pond will be heated. You can view the random motion of an identical particle in liquid more clearly.