The KEENON BUTLERBOT W3 is a hotel delivery robot measuring 45.9 by 54.9 by 108.1 cm and weighing 48 kg, featuring IoT elevator integration for cross-floor item delivery. Automatic doors and ventilation ensure contactless, hygienic service with spill prevention. Up to four independently accessible compartments serve up to four locations in a single dispatch. It carries up to 20 kg total load at up to 0.8 m/s with up to 12 hours of battery life and 6.5 hours charging time. It climbs slopes up to 7 degrees with a 70 cm minimum passage width. Targets hotel room service, hospitality delivery, and reception applications.