Say goodbye to pet hair and hello to clean floors with the iRobot Roomba Pet Series Vacuuming Cleaning Robot. This innovative vacuum easily picks up pet hair, kitty litter, paw prints, dirt, dust and debris from your carpets and hard wood floors - so all your left to do is play with your fun loving animal! iRobot Roomba Pet Series Vacuuming 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; eliminates cleaning yourself Virtual Wall Lighthouses (requires 2 "C" batteries each) - helps 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 and the dual-action counter-rotating brushes pick up debris, while the vacuum sucks up the dirt and dust; High-Capacity Sweeper bin - holds more debris than the vacuum cleaning bin and it cleans 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 Spot mode - will spiral approximately 3 feet in diameter and then spiral back to where it started, intensely cleaning a localized area Anti-tangle technology - prevents Roomba from getting hung up on cords, carpet fringe, or tassels Measures approx. 13" in diameter x 3-1/2"H Requires 4 C batteries, not included UL listed Model #: 53201 Comes with a manufacturer's 1-year limited warranty Accessories Includes: 2 Virtual Wall Lighthouses 2 brush cleaning tools 3 filters Vacuuming dust bin High capacity sweeper bin Self-charging home base Power Supply (3-hour charge time) Rechargeable Battery Set of brushes Quick Start Guide Manual