Roborock Methodical Clean System Roborock Xiaowa e3 robot distinguishes itself from common robot vacuum with its dual-gyroscope system and dual-optical motion tracking sensors. Dual-gyroscope system Dual-optical motion tracking sensors Roborock Xiaowa e3 robot saves 20%-30% clean time and battery consumption than common systematic robot vacuum. Intelligent and Flexible A full suite of sensors indicate more intelligence when tackling complicated cleaning environment. No need to worry about falling down from stairs, being stuck and charging. Tangle Free Brushes and wheels are both designed to be tangle-free, avoiding hairs or furs get into the cleaner. A beak-like clean tool accessory is included to remove hairs. Multi-Mode Clean Carpet, Quiet, Mopping, Balanced, Turbo & Max mode, switching among different modes flexibly to meet different cleaning requirement. Enjoy your cleaning time. Washable E11 Strainer High efficiency E11 strainer captures 99.2% of dust and allergens as small as 0.3 micron. Washable design extends its service life and reduces the replacement frequency. Plug-In Design Plug in the water tank for preparation of mopping, no need to overturn the robot. The mop cloth is designed to adhere to the tank entirely, avoiding any edge curling. Smooth Climbing Ability Crossing over obstacles of 2cm at ease enables this Xiaowa e3 to cross over threshold or climb on carpet smoothly, meeting the requirement of different floor types. Endurance Clean The 100-minute life battery enables the robot to clean the whole house from a single charge. Note: Please turn on the Carpet mode in the App and suggest NOT use in dark colored and long-pile carpet For optimal performance, please use the beak-like cleaning tool to remove hairs on the brush Please remove drapery, slippers, cables or anything would stuck the robot off ground Please read the user’s manual carefully before using Stairs lower than 7cm may affect the performance 2.4GHz Wi-Fi Required