ARK Trailer LED Number Plate Light 12V Fully Submersible ADR Approved (SKU: LDN90)

The ARK LDN90 LED Number Plate Light is a compact, waterproof, and road-legal solution for illuminating your trailer’s registration plate. Whether you’re towing on highways or reversing into boat ramps, this little powerhouse ensures your plate is always visible and compliant.

Designed for 12V trailer systems, it features a fully sealed, submersible housing and a durable polycarbonate lens for long-lasting performance in harsh environments. With a 100,000-hour rated lifespan and backed by a 5-year warranty, it’s the set-and-forget type of light you can trust.

This unit is ADR compliant, making it a legal requirement for trailers on Australian roads. Whether you’re replacing a broken lamp or building from scratch, the LDN90 is a no-fuss, high-quality solution that fits perfectly with any ARK LED lighting setup.

Key Features:

• 12V LED number plate light
• Fully submersible – perfect for boat trailers
• Polycarbonate lens – UV and impact resistant
• Rated for 100,000 hours of operation
• 5-year manufacturer warranty
• ADR compliant – legal for use on Australian roads

Simple, effective, and built for the job—this is the number plate light that does it right the first time.

Frequently Asked Questions

Q: Is this light waterproof?

A: Yes, it is fully sealed and submersible—ideal for marine and outdoor use.

Q: What voltage does it run on?

A: It’s designed for 12V trailer systems.

Q: Is this light legal for road use?

A: Yes, it’s ADR compliant and meets legal requirements for trailer plate illumination in Australia.

Q: What material is the lens made of?

A: It’s made from UV-resistant and impact-proof polycarbonate.

Q: Does it come with a warranty?

A: Yes, it includes a 5-year manufacturer warranty.

Evaluation & Recommendation

This number plate light is perfect for:

• Boat trailers that get submerged regularly
• General-purpose trailers needing ADR-compliant plate illumination
• Users upgrading to long-life LED systems
• Any trailer, camper, or vehicle requiring durable, road-legal lighting

Installation Tips:

• Mount above or beside the licence plate for full visibility
• Ensure wiring is sealed and connected to your trailer’s tail light circuit
• Test brightness before securing the lens

Need help matching this with a lighting kit? Contact us and we’ll bundle it up with the right parts.