This is the standard-setting Roomba for a thorough clean, every day. Roomba 612 features a patented 3-stage cleaning process with counter-rotating brushes and a powerful vacuum to remove dirt, dust, hair and other debris from your hard floors and carpets. Wont fall down stairs: cliff-detection sensors allow roomba to avoid stairs and other dangerous drops. Side brush to clean edges. Vacuum cleaner features: Weight 3.6kg. Size H9.2, W34, D34cm. Charge time: 3 hours to fully charge. 60 mins, depending on the setting used. Low battery indicator. Motorised floor head - drives bristles in to carpet to remove ground in dirt. Adjustable floorhead - switch between carpet and hard floor at the touch of a button. Dust capacity 0.6 litre. Dustbag full indicator. 240 volts. DB61 noise level. General information: Model number: roomba 612. Manufacturers 2 year guarantee.