Strong suction power: The cordless robot vacuum cleaner can automatically clean tiles, wooden floors and short carpets to ensure that there is no dust, dirt and debris on it. Transition without floor and intelligent sensor: you don't need a babysitter, this automatic vacuum cleaner can solve the problem yourself. Convenient: the air filter of the automatic vacuum cleaner can contain fine dust particles in the the mobile bin. Long working time: the upgraded lithium-ion battery has a large capacity of 2400 mAh, allowing 90 minutes of cleaning time. Safe design: the robot vacuum cleaner has a fall protection sensor, which can automatically detect small distances and prevent climbing stairs.