The Smart ATO is a unique "MINI" auto top off system with a contactless digital sensor that monitors and automates refilling evaporated water. Best off all it is very easy to install and contains no moving parts that can fail. Smart ATO micro uses QST (Quick Security Technology) for real-time protection against any failure situation.
That's one of the reasons why it's called the "Smart ATO micro"
Description / technical specifications
Power Input : 100-240VAC 50-60HZ
• Head : 6.5 ft (200 cm)
• Flow Rate : 74 gph (280 lph)
Mounts to Glass or Acrylic walls
• Max Wall Thickness by Magnet: 1/2 inch (12.7mm)
• Max Distance to Sense: 1 inch (25.4mm)