... Portable lanyard 3,Wave length: 365nm, 375nm,385nm,405nm 4,security document detector High power 3w ... ,000 hours +3, Output Levels:250mW for 5w led, 390mW for Nichia led4, Power Source:1*18650 ... LED Introduction: UV LED provides excellent radiometric power in the wavelength range required for applications like ... , glowing cosmetics and postal stamps.3 High Power Nichia led security document detector