Accomplish twice the cleaning with this iRobot Roomba Set of 2 Vacuum Cleaning Robots. Both calculate the ideal cleaning path as they utilized 4 cleaning behaviors to clean your room.  Model 535 also features a Virtual Wall Lighthouse that helps you keep Roomba where you want it as it cleans and a drive-on home base charger, which Roomba returns to when it needs charging.  Keep one at home and one at the office, at a vacation home or give it as a gift.

iRobot Roomba Set of 2 Vacuum Cleaning Robots Includes:

• iRobot Roomba model 535 - measures approx. 13-1/2" in diameter x 3-3/4"H 
• iRobot Roomba model 400 - measures approx. 13-1/2" in diameter x 3-1/2"H
• Docking/home base charging station
• Virtual wall lighthouse
• Bumper extension strip 
• Spare filter 
• 2 AC adapters
• 2 brush cleaning tools
• 2 manuals
• 2 quick start guides
• Bumper extension instructions

• Efficiently cleans the whole floor, including under furniture and along walls; calculates the optimal cleaning path as it cleans; works on wood, carpet, tile, vinyl and linoleum, automatically adjusting to all floor types; does the cleaning for you so you can get back to your life
• Virtual wall lighthouse (requires 2 "C" batteries) - allows Roomba to clean one room thoroughly before starting the next 
• Spiraling - used to clean a concentrated area
• Wall following - uses this technique to clean the full perimeter of the room and navigate around furniture and obstacles
• Room crossing - criss-crosses the room to ensure full cleaning coverage
• Dirt detection - senses dirt and lights up the Direct Detect light, cleaning more intensely in that area
• Spot mode - spirals approximately 3 feet in diameter and then spiral back to where it started, intensely cleaning a localized area
• Drive-on docking station/home base charger - automatically returns to base when finished cleaning or out of battery
• Will not get stuck on cords, carpet fringe or tassels - no need to worry about leaving it alone
• Comes in white with gold trim

• Cliff-sensing technology - senses and avoids stairs and drop-offs
• Vacuums beneath furniture and in other hard-to-reach places
• Automatic transitioning from hard floors to carpets
• Works on wood, carpet, tile, linoleum and vinyl
• Large bagless bin
• Standard built-in rechargeable battery and AC charger cord - plug directly into Roomba to charge
• Great for simultaneously cleaning a second room - get even more cleaning done for you 
• Comes in red

• Model #s: 535 and 400
• Power Source: Built-in rechargeable batteries; virtual wall requires 2 C batteries, not included
• UL listed
• Made in China 
• Comes with a manufacturer's 1-year limited warranty