Alternate item: Smart ATO Micro - AquaAqua
What is Smart ATO Technology ?
The Smart ATO is a unique Auto Top Off system with a patent pending contactless digital sensor that monitors and automates refilling evaporated water. Best of all it is very easy to install and contains no moving parts that can fail. Integrated with Auto Feedback Security (AFS) Technology which provides real-time fail safe protection against failure. That's one of the reasons why its called the "Smart" ATO.