Powerful air supply motor: Each outlet of the pond aerator ensures a stable airflow in the outdoor pond. Long air hose: The air hose can be laid flexibly and used in outdoor gardens. Non-slip and quiet: Non-slip rubber feet on the base reduce vibration of the contact surface when the air pump is working, thus avoiding excessive noise. Use in indoor aquariums will not interfere not with sleep and fish activities. Safety: Aquarium oxygen is designed with overheating protection, can work continuously, and has low power consumption. Features: small, quiet and full of air Voltage: 220-240V, 50Hz (customizable) Power: 3w, Air volume: 4L/min