Features:

Upgraded 2.0 ATO with Independent Controller: The auto top off system effectively monitors and replenishes evaporated water on a daily basis, providing a convenient and time-saving solution for both saltwater and freshwater tank fish keepers, particularly during business trips or holidays. With its upgraded 2.0 version, the ATO is equipped with an enhanced visual interface, allowing you to easily initialize, pause, or resume the device using the FZ button.
Compact Size: the entire optical sensor unit of ATO is ONLY 0.79 inches diameter. The ATO works on rimmed, rimless tanks or sump tanks. The dual precision optical sensors, spaced 0.1 cm apart, monitor level fluctuations accurately within a 0.6 cm difference. Notice The Auto top off system suitable for tank with wave fluctuation less than 1cm
More Safer: The Auto top off QST 2.0 provides real-time overfill protection. The ATO controller triggers a beeping sound and visual alert, halting the pump if refilling takes more than six times the calculated EFTT. It also detects sensor/controller malfunctions and empty reservoirs, ensuring maximum safety.Version 2.0 includes new technology making our ATO’s the most safe option.
Micro Whisper Pump: The Auto top off remarkably compact pump is designed to perfectly fit tanks with a neck size larger than 1.97 inches. With a capacity of 74 gallons per hour, this water pump can lift water up to 2 meters. The AFT will measure the water level and ensure that the AutoTop Off system does not unnecessarily activate the water pump, increasing its durability and longevity.
All accessories included: Strong magnets can support aquarium galss or Acrylic wall thickness up to 0.78 inches (20mm). Check valve prevents backflow & will not drain your main display. Tubing is 6 feet(180cm), 7mm inner diameter.

What upgrades have we made to ATO-580P?
Pause Button: The controller of ATO-580P is equipped with a pause button, allowing you pause it when cleaning and maintaining the tank. It automatically resumes without the need for setting, providing added convenience
Beebing Alarm Warning: The ATO-580P features a flashing red light accompanied by a beeping warning when QST alarm. This combination ensures that you promptly detect any abnormalities and take necessary action
Initialization Methods: Simply press and hold the FZ button for 3 seconds to initialize the program without the need to disconnect the power. This method ensures a safer and more convenient initialization process
Light Positioning: The controller illuminates while the sensor does not, reducing light pollution in the fish tank.

SPECIFICATION
Power : AC 100-240V/50-60 Hz input, DC 12V/1A output.
Power cable length: 6ft(180 cm)
Sensor precision: 1mm
Pump head: 6.56feet (200 cm)
Pump flowrate: 74 gph (270 lph) Max.
Mounting Thickness : 15mm
Length of Cable between Sensor and Controller: 4ft (120cm)
Tubing: 6feet(180cm), 7mm inner diameter.
Mini size: only 0.7 inches. Suitable for rimmed/rimless/sump Tank
Updated Controller: One-click operations, initializing/ pausing/resumeing the device
Dual optical sensors and upgraded technigies