Technical Specification: Voltage: 12V Power:140W(2600rmp/min) Current:40A Speed:0-6km/h Size:1250¡Á800¡Á750mm Efficiency:3680-5500m2/h Features: Battery Type Sweeping Machine is suitable for cleaning indoor and outdoor places.It is easy to operate and maintain.The side brush collects the big garbage debris in front , and the post rolled brush and the cleaning filtration systemsimultaneously together make the small dust into the refuse bin by suction.