The TORQUE DRIVE electrobrush is responsible for monitoring the resistance on the cleaning brush shaft (360 samples per second) and automatically adjusts the power of the device to the type of surface to be vacuumed. Thanks to it, it is possible to thoroughly clean both the carpet and the substrate with much harder characteristics, without having to change the cleaning tip. The replaceable roller is equipped with black antistatic carbon fibers and rigid nylon bristles. Roller color: gold