1. QUICK INFLATION & DEFLATION: Our electric air pump has quick inflation and high pressure characteristics . The rated power can be reached up to 130W and the air pressure can also be attained to 0.55PSI(3800 Pa). Hence, it can be effectively inflated and deflated to satisfy your needs.More vitally, the air pressure is much higher than most manual pumps on the market. 2. 3 NOZZLES: It comes with 3 nozzles of different sizes for this electric air pump: Small, Medium and Large. It is suitable for various inflatable products/deflatable products, such as air mattress, inflatable mattress, inflatable sofa, inflatable toy, inflatable swimming pool and swimming ring. 3. KINDLY REMINDER: Please note that DO NOT inflate any high pressure products like tires, basketballs and balloons. Nozzle of medium size and large size can not be used continuously for more than 20 minutes. Nozzle of small size can not exceed 10 minutes. Besides, it can reduce the risk of electric shock or injury. 4. PORTABLE DESIGN: This type of portable electric air pump is easy to be carried around when being taken outside, which is an ideal air pump for camping and outdoor activities. What’s more, our portable air pump can help you save your time and energy when you are inflating these outdoor equipment.