... Levels:250mW for 5w led, 390mW for Nichia led4, Power Source:1*18650 4hours working time5, Aerospace-grade aluminum body 6 ... cap activates momentary on constant on/off mode 7, Digitally Regulated for Constant Brightness 8, Toughened Clear glass Lens 9, ... : Gift boxUV LED Introduction: UV LED provides excellent radiometric power in the wavelength range required for applications like curing, counterfeit ...