Roomba 675 is equipped with Dirt Detect technology and intelligent sensors. They help it navigate in space and find dirty areas. Besides there is the scheduling, where you can set definite day, time period, and mode for vacuuming. However, note that the 675 robot doesn`t have Recharge and Resume. That`s why if the cleaning takes more than 90 minutes, the device will just turn off without finishing the operation.