Here is another smart robot vacuum that works with Alexa to clean your home. The Proscenic 880L Robot Vacuum has 1500pa of max suction power and lasts up to 120 minutes on battery. It can handle hard floors and carpets with no issue.
This robot vacuum comes with an iOS/Android app. It has infrared and ultrasonic detection to navigate your house and get around obstacles. Costs under $230 at this time.