Exclusive squeegee system assures high performance at low cost. High quality/high performance vacuum motor. Great maneuverability due to optimum weight distribution. Squeegee blade can be used on 4 side before replacement. Easy access to internal components. Designed to assure minimum noise levels. Battery level indicator. On board charger and external battery charger plug. Inlet and outlet filters for maximum tank protection. AFS (Anti Foam System) and shut off sensor protect vacuum. Squeegee assembly and blade replacement without tools.