Precautions:
1. The power supply voltage of this air pump must be AC ??220V
2. This is a high-efficiency air pump, which is used to inflate air boats, air mattresses, etc.
3. Prevent children from approaching this air pump.
4. Do not block the air inlet and exhaust port, so as not to obstruct the ventilation and affect the operation of the air pump.
5. When inflating, you should select an appropriate nozzle according to the size of the inflation valve to shorten the working time of the air pump.