This UV lamp emits ultraviolet (UVC) light with a wavelength of 275nm. Ultraviolet germicidal lamp irradiation has long been used as a disinfectant tool in hospitals, airplanes, offices, and banks. It requires a USB power source to operate.
 
How to operate:
Hold the lamp with the bulb facing down and away from the skin or eyes and then turn the switch on. Start sanitizing by holding the lamp as close as possible and no more than one-half inch above the surface of objects. Move it slowly side to side over a 12-inch area. Effectiveness depends on duration of exposure and intensity. Always turn the wand off after use.
 
Warranty: 
21-day replacement offered for faulty units. Faulty unit must be returned to validate warranty.