Clean water tank: 30.2L Dirty water tank: 28.3L Roll brush width: 330mm Roll brush diameter: Ø90mm Water sucking motor: 220V AC 1000W Air flow rate: 2880L /Min Rolling brush motor: 24V DC 140W Spray motor: 24V DC 36W Voltage: 220V 50Hz Weight: 50kg Dimension: 1250mm x 500mm x 950mm