This system supports two-way communication between a microcontroller in the handle and a suction motor and various sensors in the canister. You can easily adjust the suction power for different floorings.
AEG Ultraperformer AUP3820
Electrolux Oxygen Cleaner EL6988EZX
18% have it
16. Has an overheating indicator
It will illuminate if the cleaner overheats due to an obstruction in the system.