Aqua Products ABXTR1 Aquabot Xtreme In Ground Robotic Pool Cleaner moves through the water to automatically brush, vacuum and micro-filter dirt, debris and contaminants from the pool. The Xtreme is equipped with dual PVC scrubbing brushes to help loosen stubborn dirt and debris. The G-Tooth drive track design helps protect the cleaner from excessive rubbing against the pool sides. The Xtreme is also compatible with the use of external timers.