Water level controller with one sensor for nano aquariums or small aquariums with up to 200 liters (55 gallons). Can be installed in a cabinet filter or directly on the aquarium edge. 

Description:

• Electronic eye sensor to monitor water levels.
• Backup float switch sensor with an optional audible alarm.

• The optical eye sensor keeps the water level very steady to prevent changing salinity in the aquarium.

• All functions are clearly displayed by LEDs; safety messages are also indicated by acoustic signals.

• Ready for installation with 12 V power supply, low-voltage metering pump, 3 m (118 in.) hose, magnet holder for up to 10 mm (3/8") glass thickness and a protective cover for the sensor.