iRobot&reg; Roomba&reg; Scheduler Vacuuming Robot STANDARD FEATURES : Dirt Detect, Stair Avoidance System, Surface Transitioning, and Bagless Debris Bin ADDITIONAL FEATURES : Triple cleaning mode, Features three powerful cleaning modes: Clean, Spot and Max. Advance Power Supply (APS) Battery - Enables up to 120 minutes of continuous cleaning time. APS Fast Charger - Fully charges Roomba in less than 3 hours. Includes : APS Battery, APS fast Charger, 2 Virtual Wall Schedulers, Scheduler Remote