Totally submersible and oil-free motor to avoid pollution to the living circumstance;793Gph flux and wide-spread range which is ideal for marine Aquarium. High waterproof performance ensures safety and reliability;Suction Cup with articulating ball joints for versatile directions. 360 degree rotation to allow full flow directions;Extremely low energy Consuming - requires 6 Watt power. Power: 110V/60Hz;Easy to install - just suck the cupule to anywhere of the in-wall, plug in the power and it Works