This product need to bring 2 x AA batteries
�Instructions】
1 into the battery, turn on the power switch, light
2 Rotate the focusing wheel counterclockwise to raise it to adjust the brightness of the light
3 into the specimen carrier, observe the target is facing the light port, select the objective lens (conversion factor), the objective lens close to the specimen
4 One eye through the eyepiece, while adjusting the clockwise rotation of the focal length, slowly adjust to see the picture clear