About this item Wide Application: With wide applications, widely used in instruments and equipment, chemical industry, home appliances, aquariums and other fields. Easy to Install: The micro air pump dive mode is electric, easy to disassemble and assemble, suitable for easy DIY projects. Switch & Valve: This product is equipped with a pressure switch and an overflow valve to the pump from damage and control the normal of the pump. Material: The mini air pump is made of engineering plastic, has high strength, not easy to damage, stable and . and The mini air pump adopts low voltage, ensuring human safety greatly, you can use with confidence.