Voice reporting. Powerful suction up to 1000pa. Planned cleaning path & memory. Gyro navigation system with low missing rate. Anti-falling & Anti-collision function. 11.1V 2600 mAh Li-ion rechargeable battery. Automatically daily cleaning & sweeping. Detachable mop pad with large mopping cloth. Auto back to origin or charging station once finish the clean task. Automatically adjusts to all type of floors(Hard floors, Wood floors and Thin carpet). Wifi connected and can works with Alexa (Optional). With water tank can be used in dry and wet.