Uv Curing Flashlight 51 395 Nm Bulbs Blacklight 3 Aa Battery LED Camping Travel Flashlight Emits 395 nanometer wavelength 51 UV LED bulbs allow to cover a larger area Fluoresce at distances over 32 feet in darkness Perfect for outside use such as hunting scorpions and minerals! Anodized machined aluminum alloy body and enhanced knurled grip.