Four casters (two locking). Adjustable height for maximum coverage. Treats unoccupied spaces as large as 3,000 ft2. Kills viruses and bacteria in 7 minutes. Convenient easy-grip handle. Can be used for "whole-room" decontamination. UV technology is a non-chemical and food-safe solution. Scientific studies have shown reductions in viable infectious agents on surfaces after UV-C exposure. Mitigates the risk of acquiring an infection in contact with COVID-19, MRSA, E. coli, Influenza, etc.