Lighting Products

An industry leading provider of underwater lighting equipment, Master-Lee Engineered Products, Inc. supplies a variety of custom engineered lighting products for the most demanding of working environments. Please select from one of our products below to learn more about a viable solution on your next project.

LED Apollo 100K™ Floodlight System (Low-level radiation tolerant)


Putting out up to 110,000 lumens of light either under water or in open air environments, the Apollo 100K™ is one of the brightest lights across our product line. The Apollo 100K™ has been designed to operate across numerous industrial applications, such as: commercial nuclear power, marine, sub-sea, transportation, construction, etc.

LED Helios 100K™ Reactor Core Lighting System (High-level radiation tolerant)


Helios 100k Core Lights - 1
Master-Lee would like to introduce our brightest, most powerful radiation-tolerant LED flood light across our product line, the Helios 100K™. Versatility was the core design trait with focus on efficient operability submerged in water as well as in open air environments. The Helios 100K™ Core Lighting System is the ultimate method of simply and brightly illuminating an entire reactor core.

LED Helios 75K™ AreaLite System


Helios-75K AreaLite
The newest addition to our LED Helios-75K product line, the Helios 75K™ AreaLite is the most powerful radiation-tolerant area light available. Versatility was the core design trait with focus on efficient operability submerged in water as well as in open air environments. The Helios 75K™ AreaLite System is the ultimate method of simply and brightly illuminating large working environments.

LED Helios 75K™ CoreLite System


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The newest addition to our LED lighting product line, the Helios 75K™ CoreLite is the most powerful radiation-tolerant core plate light available. Versatility was the core design trait with focus on efficient operability submerged in water as well as in open air environments. The Helios 75K™ CoreLite System is the ultimate method of simply and brightly illuminating an entire reactor core.

LED Helios 75K™ Drop Floodlight System


Heat Sink Assembly - Helios Drop 75k
The newest addition to our LED lighting product line, the Helios 75K™ Drop Floodlight is the most powerful radiation-tolerant "drop-style" light available. Versatility was the core design trait with focus on efficient operability submerged in water as well as in open air environments. The Helios 75K™ Lighting System is the ultimate method of simply and brightly illuminating an entire reactor core.

LED PenciLite™ (CE compliant for EU customers)


The LED PenciLite™ is a durable, long-lasting drop light that provides up to 20,000 lumens from high-powered LED lighting components to illuminate your underwater work environment.

LED Area Drop Light (CE compliant for EU customers)


Durable, reliable, and extremely bright (42,000 lumens with 4000K color temperature) - best describes the EPI LED Area Drop Light. The perfect solution to your underwater and general area lighting needs.

Pencilite – Halogen


The PenciLite™ is a durable drop light that provides more than 10,450 lumens from one 500 watt, GFCI, water-cooled, quartz-halogen bulb.