Aiper EcoSurfer S2 is a premium, cordless robotic surface skimmer that glides effortlessly across your pool to catch leaves, dust, insects, and pollen before they ever have a chance to sink to the bottom. Retail $380. By relieving the burden on your main pool filter, it significantly extends your equipment's lifespan and lowers overall energy costs. Solar charging, simple to empty the basket, connects to your phone! This thing works amazing - our pool has never been cleaner! Moving to a home with no pool.