Description This water controller are often used inhigh- low level controling. Automatic water replenishment, practical. Can also be used to change water and water, stop automatically. easy to install, and can be use in fish tank or aquarium.Feature-Color: Blue.- Material: ABS.- Size: About 3. 6 x 3. 6 x 3. 5cm.- Made material, durable and provide long service life.- Accurate water level controller, easy installation, practical to use.- Suitable for fish tank and aquarium. The water level controller is small in size and does not occupy the fish tank space.- Effectly to alleviate the resonance noise of water outlet.- Automatic water replenishment Suitable for changing water and adding water, it can stop automatically. Package Including1 x water level controller