Sunsbell51 LED Professional UV Torch Inspection Flashlight Blacklight 395nm Ultraviolet Spectrum Authenticating Documents and Finding Cat-Dog-Pet Urine Stains, Scorpions - Black Perfect for outside use such as hunting scorpions and minerals Use of UV protective glasses is strongly recommended. Never shine light into any persons eyes. Emits 395 nanometer wavelength, hunting scorpions and minerals If you need two or more than two, we can give you a 5% off sale price, please contact us after your purchase. Need 3 AA standard alkiline batteries,but batteries are not included.