Speciality It is suitable for any kind of flooring in including carpet. It can sweep the dust directly to the sealed dustbin to avoid the second pollution. Cordless design, operate it freely. Adjustable handle, convenient for child and adult. Multi surface rotary brush to clean all dust at the same time Sealed dustbin to avoid the dust floating Technical specification: 1.full can be used to clean a 300M2 space 2.continued using time is about 30mins 3.working voltage(battery) is 7.2v 4.batterys full recharging time is about 4 hours 5.rated power voltage is: 110v~230v, etc, or according to customers requests.