Fzone Aquarium ATO Auto Top Off Refilling System with Dual Optical Sensor for All-in-One Tanks and Bottom Filtration Sumps

Features

• Small in size; install in a compact space, install in All-In-One tanks and bottom filtration Sumps. ATO is nano at only 0.7 inches.
• Includes <1mm dual precision optical sensors,the auto top off system watches the water level in real time, ensures the aquariums water fluctuation is less than 0.6 centimeters.
• New technologies that allow the Auto top off to be more reliable; EFTT(Extened-Filling-Time Technology), AFT(Anti-fluctuation Technology) techology, & upgraded QST 3.0 (Quick-Security Technology). EFTT can recognize your aquariums size & will dertimine how long it takes to fill to the desired level. QST alerts you in real-time when the ato is finished & prevents over filling. AFT measures the water level & ensures the ATO doesn't activate the pump unnecessarily.
• QST 3.0 provides real-time protection against overfilling & won't allow the pump to run dry. The ATO controller will give a visual alert & stop the pump immediately when it senses a refilling time more than 6 times longer than the time calcualted by EFTT. QST will detect malfunctions of the sensor, controller or if you have a empty reservoir. Version 3.0 includes new technology making our ATOs the most safe option.
• All accessories included in the package. Strong magnets can support aquarium wall thickness up to 0.78 inches (20mm). Check valve prevents backflow & will not drain your main display. 74 gallon per hour water pump will lift water up to 2 meters ensuring water delivery to even the biggest aquariums.
• Customer ServiceFzone will offer a round-the-clock service, and you can reach out to us at any time for any product-related concerns.