... time:4hours6,working time:70mins7,power:36WFunction and Feature:1,the design have our own intelligent .2,remote controller can operate ... the work in3,cleaning along the walls of furniture4,if the prodcuts is on the margin of a high place ... function8,easliy slide out the bag-less particle bin to discard the dirt that it picked up9,clean the floor under the bed sofa chair ...