Sunsun JVP-110 2.5W 528GPH Mini Wavemaker with Suction Cup (1 head) Recommended for 30-60 gallon tanks Totally submersible and oil-free motor to avoid pollution to the living circumstance 360 degree rotation to adjust flow in any direction (manually) Easy Installations (suck the cups to inner wall & plug in the power Power cord: 4.5 feet