Roomba 770 removes dirt, dust and pet hair on its own. It features Dirt Detect™ Series 2 technology to concentrate cleaning in the dirtiest areas and a Full Bin Indicator that lets you know when the bin needs to be emptied. Using iAdapt™ Responsive Cleaning Technology, Roomba thoroughly vacuums the entire floor, including hard-to-reach spots under furniture. Dual HEPA air filters stop fine dust from circulating in your home. Specifications: Package Dimensions: 19 x 5 x 21.5 inches Package Weight: 14.5 lbs. Robot Dimensions: 13.9 inches in diameter, 3.6 inches in height Robot Weight: 8.4 lbs. What's In The Box: 1 iRobot Roomba 770 1 Rechargeable Battery with Extended-Life Power Management 1 Battery Charger (3-hour charge time) 1 Compact Self-Charging Home Base 2 Auto Virtual Walls (each requires 2 C batteries, not included) 1 Extra Filter 2 Brush Cleaning Tools 1 Remote Control 1 Instructional DVD 2 Years warranty