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 Floodlight - Apollo 100K


Master-Lee would like to introduce our brightest, most powerful LED light across our product line, the Apollo 100K™. Versatility was the core design trait with focus on efficient operability submerged in water as well as in open air environments. The Apollo 100K™ has been designed to operate across numerous industrial applications, such as: commercial nuclear power, marine, sub-sea, transportation, construction, etc.

LED PenciLite


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


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.

Area Drop Lights (GFI)


The Area Drop Light (GFI)is commonly used throughout the commercial nuclear power industry for refueling core, cavity, and spent fuel pool temporary lighting, or wherever localized underwater illumination is needed. Supplying 54,000 lumens, the high-powered 2,000 watt quartz-halogen bulb is sure to brighten your underwater environment. An upgrade from our standard Area Drop Light, this item is compatible with GFI (Ground Fault Interupter) circuits.