1. Our Big Aquarium Air Pump is engineered to deliver a large volume of air, ensuring effective oxygenation for various applications including home aquariums, outdoor fishing, aquaculture transportation, and fish market stalls. 2. This Big Aquarium Air Pump is designed to operate on both alternating current (AC) and direct current (DC) power sources, providing flexibility for use in different environments and power supply conditions. 3. The Big Aquarium Air Pump is equipped with advanced sealed floating silent technology, ensuring quiet operation and minimal disturbance to the surroundings. 4. With its dual air chamber design, the Big Aquarium Air Pump efficiently generates oxygen, enhancing its oxygenation performance and ensuring consistent oxygen supply for aquatic environments. 5. The Big Aquarium Air Pump is equipped with a high-capacity rechargeable battery, providing approximately 8 hours of continuous operation on a single charge. This extended battery life makes it ideal for prolonged use in various settings without the need for frequent recharging.