Targeting mobile devices, the Big UV Box KR615 disinfects up to 99.999% of contaminents in just 55-Seconds. Proven in an FDA cunsulting lab to be effective against c. Diff, MRSA (two of the toughest known contaminents) and Norovirus. Highly effective against other common food contaminents including E. coli and Salmonella. The UV Box accomdates handheld devices, phones and full size iPads and other tablets.