- 2 UV SOURCE: This UV flashlight has two different UV sources - 365nm UV light and 395nm UV light. It emits 365-370 or 395-400 nanometer wavelength UV lights. 365nm light is almost invisible (like dim white light ) while 395nm light is visibly purple. Different stains fluoresce at different wavelengths, as well as different fabrics and surfaces reflecting different wavelengths.
- BRIGHT: You can see the brightness even in the day, but it performs better in the dark.
- ZOOM FEATURE: Zoom in to concentrate the beam or zoom out to illuminate a large area.
- WIDE APPLICATION: Detecting cat dog urine stains on the carpet, human urine/pee, blood, saliva, semen; hunting yooperlite rock ; curing resin; looking at gems; finding scorpions; detecting counterfeit currency; finding invisible ink; tracing coolant leak; inspecting cleanliness of bedding or bathrooms and etc.. Perfect for travel.
- POWER SOURCE: This black light requires 3 AAA batteries, batteries are not included in package.
