Features: 1, maintenance-free batteries provide power, smooth operation, low noise, especially suitable for use in indoor and ambient noise restrictions. 2 position adjustable side brush, main brush with high-speed, can significantly improve the cleaning efficiency. 3, built-in vacuum cleaning systems, mechanical sweeping and vacuuming combined, can effectively reduce the dust generated during cleaning. 4, folding dust filter, in a limited volume of a substantial increase in the filtration area, can effectively reduce wind resistance vacuum cleaning system to improve suction vacuum cleaning system. 5, with a walking assist device can improve the cleaning efficiency, the cleaning job easier. 6, using easy disassembly design, can easily replace the main brush, filters and other components. Sweeper technical parameters No. Item Value Unit Note 1 Sweeping width 1000 mm 2 cleaning capacity 3500 m2 / h 3 Climbing ability - - 4 Main brush length 550 mm 5 Battery 48 (4 12V) V 20Ah 6 continuous working hours 4 -6 h temperatures, conditions are different, different bins capacity 33 L 8 7 Side brush diameter 400 mm 9 Maximum power 540 w 10 turning radius 500 mm 11 Dimensions 1300 * 970 * 630 mm