Barrina Black UV Light Bar, 10W 1ft USB Black Light, Adjustable LED Blacklight

Barrina Black UV Light Bar, 10W 1ft USB Black Light, Adjustable LED Blacklight for Fluorescent Poster Glow Party Body Paint, Halloween Decorations, Portable UV Lights for Cabinet (4 Pack) Light for Night Glow:UV-A level: 395-400 nm wavelength, Barrina led black lights are harmless to human body, exposure to UV light can see the fluorescent effect. Ideal for Halloween and Christmas...