Polaris PIXEL Cordless Robotic Cleaner - Simple, Compact and Cord-Free, Powerful and compact, the Polaris PIXEL cordless robotic cleaner cleans above-ground and simple in-ground pools without the clutter of a cable laying across your backyard. Powered by a lithium-ion battery, PIXEL is easy to use, with one cleaning mode and a single button start to clean your pool’s floor and cove in just 1.5 hours.