Features:1.Brand new and high quality 2.51 LED UV blacklight flashlight 3.Long service life up to 10，000 hours 4.Aluminium body， light weight 5.Great for checking notes， credit cards， fluorescent inks (invisible inks)， cracked glassware， or even crime scene 6.LED Qty : 51 ultra bright LEDs 7.Rain Waterproof 8.Power: 3x AA battery (not included)Package Included:1 x UV 51 LED Flashlight