iRobot Roomba 415 with 2 Virtual Walls : 415 - Buy.com
The iRobot Roomba is an intelligent and effective vacuuming robot that cleans floors routinely so you don't have to. Roomba's powerful vacuum and counter-rotating brushes lift dirt, dust and debris from carpets and automatically adjust from carpets to hard floor surfaces.
Features
Cleans dirt off of your hardwood, tile, linoleum, and low-to-medium pile carpet
Advanced power system provides up to 120 minutes of cleaning power
Returns to charging Home Base when re-charging is necessary (Home Base sold separately)
Active Dirt Response detects dirtier areas and automatically increases cleaning intensity
Automatic stair avoidance system prevents falling down on stairs
Automatic surface transitioning adjusts entire cleaning head for both carpet and hard floor
Edge-cleaning side brush grabs dirt and debris from walls and other hard-to-reach areas
Low-profile design fits under beds, sofas, and other tight spots where conventional vacuums can’t reach
On-board artificial intelligence navigate between walls and furniture legs and self-adjusts for carpet, tile, and wood floors.
Multi-Surface Cleaning: hardwood, tile, linoleum, and low-to-medium pile carpet
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 3 feet in diameter
iRobot Roomba 415 with 2 Virtual Walls $119.99 FS 
