The LG CordZero R3 Prime Robot Vacuum has an inverter motor with 2700Pa suction power. Clean according to the environment and conditions of the home.Select the suction strength from 4 modes according to the floor material, size and type of dust. The fully automatic intelligent water supply device will control the water output according to the user's settings. Depending on the floor material or degree of contamination, the water supply can be adjusted in four stages, providing a customized cleaning service for your home. Suction levels and water supply levels can be chosen from the LG ThinQ app. Disclaimers: (1)LG ThinQ app available on compatible Android or IOS smartphone. Phone and Home Wi-Fi Data connection and product registration the LG ThinQ app required.