YueYueZou&reg; Dual Aquarium Circulation Pump Wavemaker Oxygenerator 1600 GPH Totally submersible and oil-free motor to avoid pollution to the living circumstance High waterproof performance ensures safety and reliability. Unique dual wave makers in one design produces better flow patterns 1600 gph flux and wide-spread range which is ideal for marine aquarium. 360 degree rotation to adjust flow in any direction, Articulating ball joints for versatile directions. Power cord: 4.5 feet; Easy installations. Low energy consuming. Magnet clamp base to lock and secure the wave maker in place 1 Year Warranty. Easy installation ( suck the cupula to inwall & plug in the power). Minimum vibration with quiet operation. Requires extremely low energy consuming ( 12W power each ).