iRobot Roomba Intelligent Floorvac Robotic Vacuum, Red Entry-level robotic floorvac with dirt detection and infra-red cliff sensors Auto adjusts to any floor surface; 2-hour continuous cleaning; easy-to-empty debris bin Edge-cleaning sidebrush; stasis sensor; virtual wall for confining to designated area Rechargeable APS battery, 7-hour charger, 1 virtual wall, and air filter included Measures approximately 13 by 4 inches; 1-year warranty