OMIKA 6 Pack Black Light Fairy Lights Battery Operated, 7Ft 20LED UV Black Christmas Lights String Flexible Waterproof Firefly Starry Lights for Halloween Christmas Bedroom Wedding Party Decoration

How to get blacklight effect with this 395-405nm LED blacklight? Warm Tips: * The wavelength of these UV lights is 395-405nm, which can produce special lighting effects, make the fluorescent body paints glow in the dark, and create a stunning atmosphere at a show or party.

* Due to the particular wavelength(395-405nm) of the UV string light, we recommend that you use it in a dark environment.

* This UV light is low voltage, safe to touch and use.

It is designed to light fluorescent objects and does not support illuminating your entire room or providing ambient lighting.