Solid Brass Underwater Submersible Spotlight 12V

GLE Solid Brass 12V Submersible Underwater Spotlight — IP68 Rated Pond and Fountain Light

A professional-grade solid brass 12V submersible underwater spotlight built for landscape lighting installers and serious DIYers who need reliable, long-term illumination inside ponds, fountains, waterfalls, and water features. The GLE underwater spotlight is not a repurposed outdoor fixture with a basic waterproof seal — it is purpose-built for full submersion, engineered from solid die-cast brass for maximum corrosion resistance, and IP68 rated for complete, continuous underwater operation in both freshwater and saltwater environments.

Where cheap plastic and aluminum underwater lights corrode, seal-fail, and cloud over within a season or two, the GLE solid brass submersible spotlight is built to perform below the surface for years. At 2.3 pounds of solid brass construction, this fixture dissipates heat effectively underwater, resists the corrosive chemistry of pond and fountain environments, and maintains the kind of clean, focused MR16 spot output that makes water features genuinely dramatic after dark. Buy direct from GLE and get professional installer grade solid brass underwater lighting at a price that cuts out the distributor and middleman markup entirely.

GLE Submersible Underwater Spotlight — Key Features:

• IP68 fully submersible rating — the highest waterproof rating available for landscape lighting fixtures. IP68 means complete, continuous protection against water intrusion at depth — not just splash resistance or temporary immersion. This fixture is built to live underwater permanently
• Solid die-cast brass construction — the correct material choice for underwater landscape lighting. Brass resists the corrosive chemistry of pond water, fountain chemicals, and saltwater environments that destroy aluminum and plastic underwater fixtures within a single season
• Excellent heat dissipation — solid brass conducts and dissipates heat far more effectively than plastic and aluminum housings. Effective heat dissipation underwater extends LED bulb life and protects internal fixture components from the thermal cycling that shortens the lifespan of cheaper underwater lights
• MR16 12V LED compatible — accepts standard MR16 12V LED bulbs for focused, energy efficient, long-life underwater spot illumination. Bulb sold separately — see GLE MR16 LED replacement bulbs for compatible options
• 20 foot pre-wired lead wire — significantly longer lead wire than standard landscape lighting fixtures to reach from the water feature edge to your 12V transformer connection point without additional splicing. 20 feet of 18 gauge lead wire handles the distance demands of most residential pond and fountain installations
• Adjustable beam angle — precision beam direction control allows the installer to aim the MR16 spot output at the exact underwater or above-water feature being illuminated — fish, plant life, fountain jets, waterfall cascades, or submerged architectural elements
• Antique bronze finish — warm, natural finish that blends with the organic materials of pond and water feature surrounds — stone, slate, pebble, and natural boulder installations — without the clinical appearance of stainless steel alternatives
• Transparent glass lens — fully sealed clear glass lens maintains optical clarity underwater without the fogging, yellowing, and seal degradation that plastic lenses develop in submerged applications over time
• 12V AC/DC low voltage operation — safe, energy efficient 12V operation eliminates the shock hazard of line voltage fixtures in and around water features. 12V is the only appropriate voltage for submerged residential landscape lighting applications
• Freshwater and saltwater rated — IP68 brass construction handles both freshwater pond and fountain environments and the more demanding corrosive chemistry of saltwater water feature applications
• Heavyweight 2.3 lb brass construction — the weight keeps this fixture positioned where it is placed underwater without the buoyancy and movement issues that lightweight plastic underwater fixtures experience in flowing water applications like waterfalls and streams
• Compact 4.5 x 5 inch profile — large enough for stable underwater placement and effective heat dissipation but compact enough to position discreetly among rocks, plants, and water feature elements without dominating the natural aesthetic

Why IP68 Matters for Underwater Landscape Lighting:

Not all waterproof ratings are equal and the difference matters significantly for underwater applications:

• IP65 — protected against water jets from any direction. Suitable for outdoor landscape fixtures exposed to rain and irrigation. Not rated for submersion
• IP67 — protected against temporary immersion up to 1 meter for 30 minutes. Suitable for fixtures that may occasionally flood but are not designed for permanent submersion
• IP68 — protected against continuous submersion beyond 1 meter. The only appropriate rating for fixtures intended to operate permanently underwater in ponds, fountains, and water features

Using an IP65 or IP67 rated fixture in a submerged application is one of the most common and most costly mistakes in water feature lighting installation. The seal fails, water enters the fixture, and the result is a failed light, a potentially contaminated water feature, and a callback. Specify IP68 for every submerged application — it is the only rating built for the job.

Where to Use the GLE Submersible Underwater Spotlight:

• Pond lighting — submerge along pond edges angled upward to illuminate koi, water plants, and pond features from below the surface. The focused MR16 spot output creates dramatic underwater light shafts that make pond fish and plantings visible after dark
• Fountain illumination — position beneath fountain jets and spray heads to illuminate water movement from below, creating a glowing column effect that transforms standard fountains into dramatic nighttime focal points
• Waterfall and stream lighting — place at the base of waterfall cascades angled upward into the falling water for a backlit waterfall effect that catches the movement and texture of falling water in a way surface lighting cannot achieve
• Decorative water bowl and urn features — submerge in smaller decorative water features, urns, and bowl fountains where compact size and precise beam control are as important as waterproof performance
• Pool perimeter accent lighting — position along pool edges and in shallow shelf areas for accent lighting that complements primary pool lighting systems and adds depth to the pool surround landscape design
• Submerged architectural feature lighting — illuminate submerged boulders, stacked stone walls, and architectural elements within water features from directly below for a dramatic lit-from-within effect that surface-mounted fixtures cannot replicate

Installing the GLE Submersible Underwater Spotlight:

A few installation notes that make the difference between a clean, reliable underwater lighting installation and one that causes problems down the road:

• Route the lead wire carefully — the 20 foot lead wire needs to exit the water feature and reach your transformer connection point without sharp bends, pinches, or exposure to foot traffic. Use conduit or a protective sleeve where the wire exits the water feature and crosses hardscape surfaces
• Use waterproof connectors at every junction — any wire splice or connection point in or near the water must use fully waterproof connectors. See GLE waterproof wire connectors for the correct connector for underwater and near-water applications
• Position for beam direction before finalizing placement — use the adjustable beam angle to aim the fixture before settling it into its final position among rocks or pond substrate. Adjusting beam direction after the fixture is buried under gravel or surrounded by boulders is significantly more difficult
• Allow for thermal expansion — brass expands slightly with temperature changes. Leave a small amount of slack in the lead wire at the fixture rather than pulling it tight to the connection point to accommodate seasonal thermal movement without stressing the wire seal at the fixture entry point

GLE Submersible Underwater Spotlight Specifications:

• Brand: GLE Georgia Lighting and Electric
• Fixture Type: Submersible underwater spotlight
• Construction: Solid die-cast brass
• Finish: Antique bronze
• Input Voltage: 12V AC/DC
• Bulb Type: MR16 12V LED (sold separately)
• IP Rating: IP68 fully submersible
• Lead Wire: 20 feet 18 AWG
• Lens: Transparent glass
• Fixture Dimensions: 4.5 inches wide x 5 inches long
• Weight: 2.3 pounds
• Package Dimensions: 5.5 x 5.5 x 6 inches
• Environment: Freshwater and saltwater rated
• Beam: Adjustable angle
• Indoor/Outdoor: Outdoor and underwater rated
• Warranty: 1 year
• Includes: Wired 12V brass fixture

What's in the Box:

• GLE solid brass 12V submersible underwater spotlight — pre-wired with 20 foot lead wire
• MR16 12V LED bulb sold separately — see GLE MR16 LED replacement bulbs for compatible options

Warranty & Returns: Every GLE fixture comes with a 1-year warranty and our 30-day money-back guarantee. Any issues with your order — reach out and we'll make it right.