M3L high suction power of 1200 Pa with two levels of suction power suitable for different types of surfaces. Features a front brush roller for effective spot vacuuming and edge cleaning. Includes work time planning and anti-collision technology. Its slim profile allows it to climb over obstacles and fit under furniture. The robot has a long working time of 90-100 minutes before needing to recharge. It automatically returns to the charging base when the battery level is low. The large 800 ml tank easily holds weekly dust, saving you time on cleaning. The front brush roller enhances carpet cleaning efficiency.