Model Number: RV-SG250B [2023 Functionality Upgrade! Automatic Dust Collection & Dust Bag Replacement Notification] Automatic Dust Collection, Both Vacuuming & Mopping Robot Vacuum Cleaner, 18,000Pa + 3,500Pa, Ultra-Thin, Quiet, Water Volume Adjustment, Automatic Dust Collection, Automatic Charging, Anti-Drop/Collision, Smart Cleaning Robot, WiFi, Alexa Compatible, Suitable for Flooring, Carpets, Tatami Mats, Cleaning, Forbidden Area Setting, Remote Control Included Used for about 1 month. The battery is functional. As shown in the photos, some items are missing. I cleaned the main brush as much as possible, but it's only included for operational testing and is not included in the price. It is usable. There is no HEPA filter. The mopping pads have not been used. There are spares. There are 3 new dust bags. There are 3 new brushes. There is no instruction manual, but it can be found online. It has considerable suction power. Cleaned and disinfected. Due to relocation, returns are not accepted, but operation has been confirmed. [2023 Functionality Upgrade! Automatic Dust Collection & Dust Bag Replacement Notification] Charging function has been improved compared to the old model!