Autoaqua Smart Automatic Top Off System for Aquariums, ATO by Aqua Auto

Automatic Top Off System with Controller & Sensor in One What is Smart AFS 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 ver easy to install and contains no moving parts that can fail. Integrated with AFS (Auto Feedback Security) technology which provides real-time fail safe protection against failure. You simply move the outside controller to adjust your sump to a desired water level. Its that easy! Mounts to Clear Glass or Acrylic sumps Max wall thickness: 1/2 inch (12.7mm) Max distance for sensor: 1 inch (25.4mm) Everything you need is included Controller/Sensor, Power Adapter, DC brushless pump capable of pumping to a height of ~6.5 feet and a maximum flow rate of ~74 gph, 6.5' of Water Tubing with Universal Holder. FEATURES Contactless Optical Water Level Sensor - NO MOVING PARTS! - ZERO CHANCE OF LEAKING VOLTAGE Smart AFS(Auto Feedback Security) Technology Very Easy Setup Safely keep water & salinity levels (in Marine Aquariums) stable Adapts to most aquarium/sumps with walls up to 1/2inch 2 year Warranty