Lefant Robot Vacuums sells on Amazon.  I think the price is very good. Please read some of the reviews and see people thought of the product. **If you’re not sure whether to buy, add to cart, and you can come back to it later!**

  • 【FreeMove Technology】: The robot vacuums cleaner will prevent probability of getting stuck in advance, such as bottom of sofa, bed, carpet, threshold, wiring area, etc, which enables almost fully automatic cleaning without interruption, no need of manual intervention.
  • 【High Efficiency Cleaning System】: Designed with powerful suction, M501-B uses a roller brush combined with dual side brushes to clean everything from small particles to large debris on hard floor and thin carpet, remote control and APP control are available to adjust the suction levels(low, middle and high), the robot vacuum comes in default middle level suction.
  • 【Voice & APP Control】: Compatible with Amazon Alexa Echo and Google Assistant. Use Lefant Life APP to customize, schedule, monitor cleaning modes, direction controls, receive error alerts, OTA firmware, etc. The All new LCD remote control also has booking function.
  • 【Running Time】: 2600mAh lithium battery ensures at least 120min working time, the entire apartment can be cleaned at one time. The vacuum will automatically returns to the charging base after finished cleaning or the power is low.
  • 【What You Get】: M501-B robot vacuums, LCD remote control (2 AAA batteries included), charging base, AC power adapter, cleaning tool, 2 sets of high-performance filters, 2 filter sponge, 4 side brushes, user manual and our worry-free 18-month.