Powerful enough for the home or office, the iRobot Roomba Professional Series Vacuum Cleaning Robot is the answer you've been looking for! Featuring the latest in cleaning, coverage and efficiency innovations, this Roomba can be scheduled to clean at a desired time up to 7 times a week. Easily picks up dirt, debris, hair and more, the revolutionary vacuum has what it takes to make cleaning fun again. iRobot Roomba Professional Series Vacuum Cleaning Robot Features: Efficiently cleans the whole floor, including under furniture and along walls Calculates the optimal cleaning path as it cleans; determines when to use its 4 cleaning behaviors; spiraling, wall following, room crossing and dirt detection Works on wood, carpet, tile, vinyl and linoleum, automatically adjusting to all floor types Virtual Wall Lighthouses - help Roomba navigate around your home and find the home base; allows Roomba to clean one room thoroughly before starting the next; keeps Roomba where you want it and where you don't Dual cleaning interchangeable bins - Vacuum Cleaning Bin is great for everyday cleaning with dual-action counter-rotating brushes pick up debris, while the vacuum sucks up the dirt and dust and High-Capacity Sweeper Bin holds more debris than the vacuum cleaning bin; clean larger-than-usual amounts of dirt and dust; great for cleaning bigger pieces of debris Room crossing - criss-crosses the room to ensure full cleaning coverage Spiraling - used to clean a concentrated area Wall following - use this technique to clean the full perimeter of the room and navigate around furniture and obstacles Cliff sensor - automatically avoids stairs Dirt detection - senses dirt and lights up the Direct Detect light, cleaning more intensely in that area Drive-on home base charger - automatically returns to base when finished cleaning or out of battery Anti-tangle technology - prevents Roomba from getting hung up on cords, carpet fringe or tassels; when it senses that it has picked up a cord or tassel, it will automatically stop its main brushes or side brush to try to escape Spot mode - will spiral approximately 3 feet in diameter and then spiral back to where it started, intensely cleaning a localized area Max mode - cleans larger rooms and dirtier areas more thoroughly, so all of your rooms will have an even vacuum Dust bin - bagless and easy to empty Durable paint and bumper guard -allow it to get your entire floor, under and around furniture, deep into corners and along wall edges while remaining free of scratches Measures approx. 13" in diameter x 3-1/2"H Requires 4 C batteries, not included UL listed Model #: 61001 Comes with a 2-year limited warranty on labor and parts; 1-year limited warranty on the battery Accessories Includes: 2 Virtual Wall Lighthouses 2 brush cleaning tools 3 filters Home base (power supply) Professional Series power supply Vacuum cleaning dust bin High-capacity bin Black accessory carrying case Set of brushes Screwdriver Rechargeable battery Quick Start Guide Manual