spontaneous unaffected800GPH Circulation Pump Wave Maker Marine Powerhead Suction Mount For Aquarium Totally submersible and oil-free motor to avoid pollution to the living circumstance. Suction cups with articulating ball joints for versatile directions. 360 degree rotation to adjust flow in any direction. Extremely low energy consuming of 6W. Max flow rate: 800 GPH (3000L/H). Max head(lift height): 0.5m. Power: 6W. Voltage: 220 - 240 V @ 50Hz. Size: 10cm x 7.6cm x 7.6cm.