LED UV Flood Light

UV light, or ultraviolet light, is simply light that's beyond the violet end of the spectrum that humans can see. For an LED UV flood light, UV-A is the specific 'slice' of the UV spectrum we use. It's the longest wavelength (315-400nm), making it much safer than the UV-B or UV-C rays from the sun and the right tool for making things glow or for curing certain materials.

Honestly, for your purposes, there isn't one. 'Blacklight' is just the common name for a lamp that mostly emits UV-A light. When you buy one of our LED UV flood light models, you're buying a blacklight. We just use the technical term 'UV' because we offer precise wavelengths like 365nm and 395nm for specific jobs.

For parties, Halloween, or art, you want a 395nm LED UV flood light. It produces a strong fluorescent glow with a noticeable violet light. For industrial or craft curing of glues and resins, you absolutely need a 365nm model. It has higher energy that actually cures materials properly, but it looks dimmer to the eye and requires more caution.

Lots of things you wouldn't expect. White clothes, tonic water (it's the quinine), many plastics, most fluorescent paints and posters, petroleum jelly, and unfortunately for some, pet stains. It's all about phosphors – substances that absorb the invisible UV light and re-emit it as visible light. That's the glowing effect you see.

The 395nm versions are generally considered safe for casual exposure, like at a party. You shouldn't stare directly into any bright light, but they're safe for illuminating a room. The 365nm lights are different; they are for industrial use. You should avoid direct skin and eye exposure to the 365nm beam, as it's more intense and can be harmful over time. Always use them as directed.

It's all about the shape of the light. A standard flood light creates a round or square cone of light, great for a specific area. A UV wall washer creates a long, wide sheet of light. It's designed to illuminate a whole wall evenly, which is perfect for architectural effects or large backdrops.

A good rule of thumb for a party is one 30W to 50W UV flood light for every 200-250 square feet of space. For curing applications, it's less about area and more about getting the right intensity on your part, so you might need a more focused, powerful light closer to the object.

Yes, our outdoor-rated LED UV flood lights are IP66. The first '6' means they are totally dust-tight, and the second '6' means they can handle powerful jets of water from any direction. Heavy rain, sprinklers, or a pressure washer rinse are no problem. They are designed to be permanently installed as exterior black lights.

Technically, you can't see the UV radiation itself. What you see is a side effect. The 395nm lights produce a visible deep purple or violet haze because their output slightly overlaps the visible spectrum. The 365nm lights look much dimmer, with just a faint, hazy blue-white light, because almost all their energy is outside our vision.