The present invention relates to mobile devices for disinfecting an object. The mobile device includes: one or more light sources for generating a disinfection light； a display； one or more processors coupled to the one or more light sources and display； and a non-transitory computer-readable medium comprising one or more sequences of instructions which, when executed by the one or more processors, causes steps to be performed including: determining a required dosage of the disinfection light； determining an exposure time of the disinfection light that corresponds to the required dosage of the disinfection light； illuminating the disinfection light on the surface； and displaying a disinfection map on the display to report a result of a disinfection process performed by the illumination of the disinfection light.
