Robot Vacuum for all floor types, battery type: Li-ion, operating time: 180 min, charging time: 6 hr(s), noise level: 67 dB, automatic charging, shock sensor, continue cleaning after recharging, vacuum multiple rooms, stairs detection sensor, preset rooms scheduled for cleaning, adjustable to match the flooring, anti-tangle function, postponed cleaning feature and cleaning schedule, number of side brushes: 1, can climb over obstacles up to 2 cm, navigation type: laser, BLDC motor, mopping textile, water container, filter and virtual wall, washable filter and EPA E11 filter, colour: black