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Prometheus Lights strives to deliver best in class design and performance in every product category. We mean this literally...you won’t find higher quality from any other brand at any other price. If we can’t do it better than everyone else...we don’t do it at all.
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Alpha Lights
The Alpha is our flagship and the light that launched Prometheus. It was designed to be the last light you'll ever need, and it's been continuously refined over 10 years. Alpha's are meant to be used; it's a "full size" light and is built to take a beating.

Alphas are uniquely constructed with a solid, single-piece head for unparalleled thermal performance and durability. It also features our proprietary Icarus driver that is fully user programmable.

If you want a light that just works, there is no better choice.

The Beta was the world's first quick-release keychain light. It's designed to be there when you need it and disappear when you don't. The retention mechanism is a proprietary canted coil spring and is user replaceable.

This tiny and functional light retains all of the core qualities of a custom Prometheus light: the aesthetic appeal, thoughtful design, and superior beam quality.

The concept came to me through observation, research, and conversation. I tried carrying other keychain lights. They were handy to have around, but always got ditched from my key ring...because when I need light I don't want it stuck to a wad of keys.

Keychain lights just don't work like I need or want them to, so I came up with something that does.

The Delta is is designed as a true EDC light: compact, powerful, and designed to be used. I took everything I learned from 7 years of flashlight design and manufacturing and put it into this light.

There are a lot of 18350 lights on the market, but none as refined. The Delta also features our proprietary Icarus driver that is fully user programmable, and the same driver used in our Alpha lights.

The Delta is engineered for superior thermal performance in a compact from factor. It's the only light in the world to use a graphite thermal pad with 5x the thermal conductivity of copper. The exposed fins efficiently transfer heat into the environment instead of trapping it inside the light...like most other lights in this class.

Deltas also feature user swappable optics so you can customize the beam profile to your preference.

The power of an Alpha in a smaller package.

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