With the Ofi Smart app, you can monitor your pool’s water quality in real time 24/7Ofi Smart is a smart analyzer (sold separately) that facilitates your pool maintenance.All you have to do to keep your water crystal clear and suitable for swimming is follow Ofi Smart adviceOfi Smart floats at the water surface and continuously monitors your pools many parameters.The Ofi Smart algorithms analyze temperature, pH and Orp.Ofi Smart is compatible with chlorine, salt or bromine pools.No additional subscription is required, everything is included in Ofi Smart.