This is one of the helpful features of the products. With sensors in place, your unit will be able to detect dirt quantities on given spots and accord it spots the level of cleaning needed to get rid of the debris effectively. Depending on dirt sum, the cleaner lingers right away and repeatedly clean till the surface it clean. solution for better rest You don't need to to worry about missed spots or give extra effort upon such areas when you have your robotic vacuum. This sort of situations would demand housekeeping services services that can be pretty high priced. But when you have the robot solution, you can maintain a clean environment at home effortlessly without even anyone else being around to assist you. It therefore can be a great addition in a home with a great elderly person too.