Enjoy a precise water level and peace of mind with the JBJ Dual Sensor auto top off system. With the included sensor cover you never have to worry about tank inhabitants causing false readings again, as an added bonus this cover will prevent sudden surface agitation from causing fluctuating water levels. Everything included, just install and enjoy consistent water and salinity levels. The JBJ Nano ATO is the perfect upgrade for your aquarium. 
 
Specifications:
Power Input - 120V AC, 60Hz
DC Pump Max Head - 7.2 feet
Pump Flow Rate - 74 gph
Max Mounting Tank Thickness - 0.5"
Pump Dimensions - 1.7"L x 1" W x 1.45"H
Warranty - 12 Months
Water level detection - Optical
 
What's Included?
1x Dual Optical Sensor
7' Tubing with Mounting Bracket
1x Optical Sensor Gaurd
1x Power Supply
1x Pump