When used as directed, this UVStand Monitor Stand with UVC Sanitization Compartment safely, easily & effectively helps sanitize keyboards, mice, trackballs, mobile phones & other devices. Spacious sanitization compartment accepts most full-size keyboards & other devices & can be used to store desktop items when not sanitizing for a more clutter-free desktop. Fully contained UVC LEDs safely sanitize, eliminating up to 99.9 percent of bacteria & viruses on any exposed surface within 10 minutes without using chemicals, liquids or wipes. Stand supports one monitor up to 34" wide with a maximum 40 lb. to promote healthy posture & optimal comfort. UL-listed monitor stand complies with safety standards including IEC / EM 62471 & ANSI IESNA RP 27.