When used as directed, this UVStand Monitor Stand with UVC Sanitization Compartment safely, easily and effectively helps sanitize keyboards, mice, trackballs, mobile phones and other devices. Spacious sanitization compartment accepts most full-size keyboards and other devices and 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 and 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 and optimal comfort. UL-listed monitor stand complies with safety standards including IEC/EM 62471 and ANSI IESNA RP 27.When used as directed, this UVStand Monitor Stand with UVC Sanitization Compartment safely, easily and effectively helps sanitize keyboards, mice, trackballs, mobile phones and other devices. Spacious sanitization compartment accepts most full-size keyboards and other devices and 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 and 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 and optimal comfort. UL-listed monitor stand complies with safety standards including IEC/EM 62471 and ANSI IESNA RP 27.