Features:

• Active Dirt Response: Roomba senses and finds dirt. Once dirtier areas are detected, Roomba automatically increases the intensity and focus of its cleaning.
• Cleaning Intelligence: Just push a button and Roomba automatically calculates how long it needs to work to clean your entire room.
• Advanced Power System: Roomba has a microprocessor controlled charging system that provides up to 120 minutes of cleaning power, It recharges its battery in 3 hours, 60% faster than the original Roomba. With the Advanced Power System, Roomba can clean up to 4 rooms before charging.
• Proprietary Cleaning System: Roomba’s high efficiency vacuum has a wide cleaning path, 2-times more powerful suction and counter-rotating agitators to reach into your carpet and remove the dirt. The entire cleaning head automatically adjusts for both carpet and hard floor surfaces.
• Roomba’s spinning sidebrush and Wall Following technology team up to grab dirt and debris from wall edges and other hard-to-reach places.
• Three powerful cleaning modes: Clean, Spot and Max
• Air filter prevents dust and dirt from entering Roomba’s vacuum system or your air
• Self-Charging Home Base--Roomba now has the built-in intelligence to automatically return to its self-charging home base when its battery is low or it has completed a cleaning cycle. This means your Roomba will always be charged and ready for its next cleaning mission.
• Stasis Sensor--Roomba immediately detects when it’s stuck and initiates its careful escape routine
• Max Mode--Run the Roomba for the full charge of the battery to vacuum multiple rooms
• Spot Mode--Intensely cleans one area of a room up to three feet in diameter
• 2 Virtual Walls--Keeps the Roomba where its wanted by blocking doorways with an invisible beam
• Multi-Surface Cleaning--Cleans hardwood, tile, linoleum, and low-to-medium pile carpet
• Automatic Surface Transitioning--The entire cleaning head adjusts automatically for both carpet and hard floor surfaces
• Automatic Stair Avoidance System--Leave Roomba by itself without worrying about it falling down stairs
  
• Standard infrared remote control lets you control standard Roomba functions from across the room
• Bagless debris bin now holds three times the dirt

Includes:

• iRobot Roomba Discover SE 4220
• Rechargeable APS Battery
• 3 hour charger
• 2 Virtual Walls
• Roomba Remote
• Home Base
• Extra Filter