1. Please avoid dust, water drops and small insects, which will affect the life span and the production of bad products.

2. Do not touch the pressed blade and the power cord around the fan or pull the power cord with it, so that the axis and power cord will be damaged.

3. Please use it within six months. Long storage will affect the fan performance due to the storage environment.

4. Do not use in inflammable gas or any harmful environment.

5. When installing the cooling fan, please pay special attention to the noise caused by resonance or vibration.

6. When the cooling fan is in operation, do not attempt to lock the fan for a long time, which will burn down the fan due to continuous stop and high heat.

7. The screw torque of the lock shell shall not exceed 4Kgf; Please do not use screwdriver, iron rod and other things to block the fan, this will damage the fan.

8. When the fan falls from the height of 60cm in handling or operation, it will have some influence on the balance of the blade, especially the ball bearing to avoid falling.

9. Please note that the cooling fan will hurt your finger when running at high speed