Specification

Dimensions: 8x6x2.5
Power: 2 AA battery

Guide of Operation
1. Microscope ×10 objective lens and ×10 eye lens or ×10 objective lens and ×16 eye lens
2. Remove the glass lid of smoke cell and fill several drops of glycerin or clean water in the seal groove. Squeeze some smock with a straw into the smoke cell. Cover the glass lid on the smoke cell immediately and press it.
3. Switch on the power to light the smoke cell with red light of laser
4. Put the box on the platform of microscope and let the smoke cell directly under the objective lens. Slightly move the box for viewing access.
5. Slow raise the tube of microscope using it's knob and view from the eye lens until some bright tiny particles of smoke appear in your view. Adjust the microscope slightly to focus smoke particles clearly. You can view the random motion of smoke particles in the air of smoke cell.