Specification: Material: Aluminium Size: 91x24mm Color: Black Brightness: 80-150mcd Long lifespan: 10,000 hours; Wavelength: 395-400nm Powered through 1 x AA batteries (not included) Features: LED UV blacklight flashlight Ideal to maintain one on your backpack, vehicle or toolbox Low power-consumption Great for checking notes, credit cards, fluorescent inks (invisible inks), cracked glassware. Easy to use-- simply press ON/OFF button Package includes: 1 * UV LED Flashlight