Water Lighting: Manufacturer Guide & Specs (2026)

water lighting Beauty STC

Industry Insight: Water Lighting

Water lighting represents a critical yet often overlooked segment within the commercial and industrial lighting sector, demanding specialized engineering far beyond standard illumination solutions. Unlike general-purpose fixtures, applications involving submerged environments, high-moisture zones, or direct water contact—such as swimming pools, fountains, aquariums, marine infrastructure, wastewater treatment facilities, and architectural water features—present unique challenges. These include extreme corrosion resistance requirements, stringent ingress protection (IP68 being common), thermal management under water, and absolute electrical safety to prevent lethal hazards. Consequently, compliance with rigorous international safety certifications like ETL (verifying adherence to North American standards such as UL 1598 and NEC Article 680) and CE (demonstrating conformity with EU directives including the Low Voltage Directive and EN 60598-2-18 for underwater luminaires) is not optional; it is the foundational requirement for market access and user safety. Failure to meet these exacting standards risks catastrophic failure, liability, and non-compliance penalties in demanding professional settings.

Beauty STC Manufacturing Co., Ltd., established in 1998, has dedicated over 25 years to mastering these complex demands within the commercial and industrial water lighting arena. As a specialized engineering and manufacturing leader, we understand that reliability in aquatic environments hinges on precision materials science, hermetic sealing techniques, and relentless validation against ETL, CE, and other global regulatory frameworks. Our expertise ensures that every luminaire deployed in critical water-related infrastructure delivers not only the intended aesthetic or functional illumination but also the unwavering safety and longevity that facility managers, architects, and engineers require. At Beauty STC, decades of focused innovation translate into lighting solutions engineered from the ground up for the unforgiving realities of water.


Technical Specs & Certifications

water lighting

Water lighting, particularly in the context of underwater or aquatic illumination such as in swimming pools, fountains, aquariums, and architectural water features, demands rigorous technical performance and environmental resilience. At Beauty (STC) Manufacturing Co., Ltd., our water lighting solutions are engineered to meet the highest industry standards, combining efficiency, color fidelity, and durability.

One of the key performance metrics for water lighting is luminous efficacy, measured in lumens per watt (lm/W). Beauty STC’s LED water lights achieve an industry-leading efficiency range of 100 to 130 lumens per watt, depending on the model and optical configuration. This high efficacy ensures significant energy savings over the product lifecycle without compromising brightness or coverage, making our fixtures ideal for both commercial and residential applications where long operating hours are expected.

Color Rendering Index (CRI) is critical in water lighting, especially where natural appearance and visual clarity are important—such as in luxury pools or display aquariums. Beauty STC guarantees a CRI greater than 90 across our premium water lighting series. This high CRI ensures accurate and vibrant color reproduction, allowing swimmers, aquatic life, and surrounding materials to appear in their truest form under artificial illumination. Our LEDs utilize advanced phosphor coatings and binning processes to maintain consistent color quality and minimize variance across installations.

Ingress Protection (IP) ratings are paramount for safety and longevity in wet environments. All Beauty STC water lighting products are rated a minimum of IP68, with many models achieving IP69K in specific configurations. This means the fixtures are completely dust-tight and capable of continuous submersion in water under specified pressure and temperature conditions. Our housings are constructed from marine-grade stainless steel or high-purity die-cast aluminum with anti-corrosive coatings, and seals are made from high-durometer silicone to prevent moisture ingress even in chlorinated or saltwater environments.

Quality assurance is central to Beauty STC’s manufacturing philosophy. Each water light undergoes rigorous testing, including thermal cycling, pressure testing, and long-term salt spray exposure, to ensure reliability in real-world conditions. Our production lines follow ISO 9001 standards, and all components are sourced from vetted suppliers to maintain consistency and performance. With decades of experience in LED innovation, Beauty STC delivers water lighting solutions that combine superior optical performance, exceptional durability, and elegant design—trusted by architects, contractors, and facility managers worldwide.


Factory Tour: Manufacturing Excellence

water lighting

Beauty STC’s Jiangmen manufacturing facility serves as our primary production hub for advanced LED lighting solutions, strategically located within the Pearl River Delta economic zone to leverage robust supply chain infrastructure and skilled labor resources. The factory spans over 25,000 square meters of dedicated manufacturing space, operating under strict ISO 9001:2015 and ISO 14001 environmental management systems to ensure consistent quality and sustainable practices.

Our surface mount technology (SMT) production line features four high-precision Fuji NXT III modular platforms capable of placing components as small as 0201 metric packages at speeds exceeding 100,000 components per hour per line. These machines integrate automated optical inspection (AOI) systems both pre-and post-reflow soldering, with dual-lane reflow ovens supporting lead-free soldering profiles for double-sided PCB assembly. The SMT area maintains Class 100,000 cleanroom standards with real-time environmental monitoring, enabling us to handle complex multi-layer boards for high-density LED driver and control circuitry essential for modern lighting applications.

Aging and reliability testing constitute a critical phase in our quality control process. The factory operates dedicated aging chambers capable of simultaneously testing 2,000+ units under accelerated stress conditions. All LED products undergo a minimum 72-hour burn-in cycle at 110% of rated voltage while mounted on thermal test boards with continuous temperature monitoring via thermocouples. We implement a multi-stage verification protocol including initial light output measurement, chromaticity stability checks at 24/48/72 hours, and final electrical safety validation. For outdoor and submersible products, we supplement this with 1,000-hour salt spray testing and IP68 ingress protection verification in specialized environmental chambers that simulate extreme humidity and thermal cycling from -40°C to +85°C.

Regarding OEM capabilities for water lighting applications—which encompasses both submersible underwater fixtures and aquatic-themed decorative lighting—our Jiangmen facility provides comprehensive turnkey solutions. We maintain specialized production cells for water-resistant assembly featuring automated silicone potting systems, laser-welded stainless steel 316L housings, and multi-stage sealing processes validated through helium leak testing. Our engineering team supports clients from concept development through to量产, offering custom optics design, marine-grade material selection (including UV-stabilized polycarbonates and corrosion-resistant alloys), and compliance certification for global markets including UL 60598-2-18, IEC 60598-1, and CE marine directives. We routinely handle low-volume prototyping with 4-6 week turnaround and scale to 50,000+ units monthly for established OEM partners, with full traceability from raw material sourcing to final packaging. This integrated capability allows us to deliver certified watertight lighting solutions meeting IP68 ratings for applications ranging from swimming pools and fountains to marine vessel installations.


Application Scenarios

Water lighting, also known as underwater or aquatic lighting, is primarily used in environments where water features are present to enhance aesthetics, create ambiance, and improve safety. While the term might suggest submersion in natural bodies of water, in architectural and commercial applications, it typically refers to lighting installed in fountains, pools, water walls, and other decorative water elements. Here’s how it applies in hotels, malls, and offices, along with key installation tips.

In hotels, water lighting is commonly used in swimming pools, spa areas, fountains in lobbies or courtyards, and reflecting pools. These installations contribute to a luxurious and relaxing atmosphere, especially during evening hours. Underwater pool lights can be colored or white, often with programmable LED systems to create dynamic lighting scenes that align with guest experiences or events.

Malls frequently incorporate water lighting in central atrium fountains, interactive water features for children, and decorative water walls. These elements serve as visual anchors and gathering points. The lighting enhances the movement and texture of water, making the feature more captivating, particularly in indoor environments where natural light is limited.

In office buildings, water lighting is less common but can be found in upscale corporate lobbies with indoor fountains or water features designed to promote tranquility and a modern aesthetic. Subtle, cool-white underwater lighting can complement the professional environment while adding a touch of elegance.

When installing water lighting, several important considerations must be followed. First, always use fixtures rated for underwater use—typically IP68 or equivalent—ensuring they are completely sealed against moisture ingress. The choice of LED fixtures is recommended due to their energy efficiency, long lifespan, and low heat output, which reduces risks in water environments.

Proper electrical safety is paramount. All installations should comply with local electrical codes, and the use of low-voltage systems (12V or 24V) powered through a ground-fault circuit interrupter (GFCI) transformer is strongly advised. Transformers should be located in accessible, dry areas away from potential water exposure.

Fixtures should be installed during the construction or renovation phase, allowing for secure embedding in pool walls, fountain basins, or water feature structures. Wiring must be routed through watertight conduits, and all connections should be made outside the water zone in sealed junction boxes.

Regular maintenance access should be considered during design. Fixtures placed in hard-to-reach areas can complicate bulb or driver replacements. Opt for modular or easily serviceable fixtures to reduce long-term maintenance costs.

Lastly, consider optical effects. The placement and beam angle of lights affect how water appears—narrow beams create focused highlights, while wide beams illuminate larger water surfaces. Color selection should match the desired ambiance, and dynamic color-changing systems should be controlled via reliable DMX or wireless systems for smooth operation.

By thoughtfully integrating water lighting in hotels, malls, and select office spaces, and adhering to safe and effective installation practices, the visual impact and user experience of architectural water features can be significantly enhanced.


Why Choose Beauty STC Lighting

Transform your aquatic environments with Beauty STC’s advanced water lighting solutions engineered for exceptional performance and enduring reliability. As a leader in specialized LED technology, we design luminaires that withstand demanding underwater conditions while delivering precise illumination for pools, fountains, and marine applications. Partner with Beauty STC to access custom-engineered systems that prioritize safety, energy efficiency, and seamless integration into your projects. Our engineering team collaborates closely with partners to ensure technical excellence and tailored support from concept to installation. Elevate your water feature projects with lighting that combines innovation with industrial-grade durability. Contact our dedicated partnership manager today at [email protected] to discuss your specific requirements and discover how Beauty STC can become your trusted solution provider.


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