Self-propelled Wireless Pool Cleaning Robot Flowclear Aquaglide by Bestway, an essential accessory for the proper maintenance of your pool water. Compatible with all pools with a flat bottom. Equipped with a built-in rechargeable Lithium battery that provides up to 40 minutes of use with 5-6 hours of charging. The filter is easy to clean and holds up to 2.2L of debris. New design without a cord for full range of motion. Advanced movement system that changes direction when it encounters an obstacle. Automatically activates when submerged and deactivates when removed from the water. Built-in water sensor to protect the water from potential future damage.