MINI microscope with light souce,MINI microscope WYSX-40X:
1,Pull up the battery cover(A),put in two AA UM -3 batteries with cathrode downwards,and close the battery cover .
2,Put the specimen on a flat place.
3.Put the microscope on the specimen,Let the specimen within the visual field of ocular.
4. If the light sensitivity is insufficient ,turn on the power switch let the light shine on the specimen.
5.Observe with ocular and adjust the focusing ring(B)for best effect.
Replacement Of Bulb(alkaline battery is not recommended)
1.Pull the cover of bulb.
2.Take out the old buld .
3.Replace the new bulb and close the cover of bulb