Robot intelligent vacuum cleaner with self-charging, smart cleaning machine, intelligent sweeper, irobot . Automatic sweeping and vacuum function. . Light bump on wall for navigation. . Self-adjusting cleaning head automatically traverses uneven floor transitions as it cleans carpet (low to mid), hardwood, linoleum and tile. . Built-in cliff detecting system (prevents robot from falling down from stairs). . Lifts to stop function (lifts the unit, and robot will stop working automatically). . Easily slide out the bag-less particle bin to discard the dirt that it picked up. . Self-recharging system, can be controlled by remote- control. . Built-in rechargeable ni-ca battery, can use 60-70 minutes for each full charge. main accessories: virtual wall unit, remote controller, 24v ac/dc adaptor, self-charging system, filter, spoon, side brush and instruction manual.