Features: Compact size and lightweight, small space occupation and convenient to carry; with back holes for wall mounting and better heat dissipation. Single knob design, easy to control and calculate the flow, by stepless speed regulation. Light degree of the intelligent indicator shows the flow rate, clear and considerable. Pump Head is simple to assemble, can easily be replaced, maintained or changed the direction of pump head. Three-wheel structure features moderate pulsation, accurate flow rate, low noise, low loss and long using life. Three types of delivery hoses are supported (1*3mm/2*4mm/3*5mm) for different needs of flow, an extra extension hose of 1m is included in the package.