[OPERATING VOLTAGE] This 6V DC mini air pump motor is perfectly matched for mid-range voltage applications, ensuring efficient oxygen circulation in aquariums with a rated current of 420MA and pressure of 400mmHg. [ULTRA QUIET PERFORMANCE] Featuring a dome shape design with integrated sound-dampening chambers and rubber feet, this pump operates at just 60DB noise level, making it ideal for noise-sensitive environments. [MATERIAL] Constructed from durable high-quality plastic, this mini air pump is built to last with a service life of 30,000 cycles, while remaining compact and portable for easy transport. [VERSATILE APPLICATION] Perfect for both freshwater and marine aquariums, this submersible pump provides essential aeration and water movement to promote healthier fish and aquatic plant life. [ENERGY EFFICIENT] With its energy-saving design, this DC6V pump delivers powerful performance while minimizing power consumption, making it an economical choice for continuous operation.