SideReach for Unreachable Spots: A liftable, extendable side brush tackles wall corners and furniture legs, thoroughly removing dirt. X40 Ultra safeguards rugs from wet-dry mess contamination. Keep Carpets Dry with a Removable & Liftable Mop: X40 Ultra protects carpets from moisture by removing mops or auto-lifting them to 10.5mm(0.41inch). Set zones to avoid rugs, reducing the risk of getting stuck. 12,000Pa of Forceful Sweeping: The industry-leading 12,000Pa* suction eliminates hair, dirt, and debris for a cleaner home. An optimized air duct design ensures efficient airflow, keeping the passageways unobstructed for a smooth cleaning session. Smartly Fight Stubborn Dirt : With the help of OmniDirt detection and MopExtend RoboSwing technologies, X40 Ultra detects tough messes and scrubs them deep under low furniture and corners. Auto Maintenance Keeps You Hands-Free: Simultaneously cleans both the mop and washboard with 158°F hot water to reduce stains and foul odors. Adjust your cleanup with 4 temperature levels in the app. Only support 2.4G WiFi. Precisely Learn Your Home: With 3D structured light, a built-in camera and LED light, X40 Ultra smartly maneuvers around your home all day long. Customize modes, pet zones, or mopping levels with a single tap in the app. Non-Stop Cleaning with a 6,400mAh Battery: X40 Ultra boasts a formidable 6,400mAh battery for extended, efficient cleaning performance. And it automatically recharges at the dock and resumes cleaning. Optimize charging during off-peak hours* to save energy costs.