The ARK LDN90B 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 LDN90B is a no-fuss, high-quality solution that fits perfectly with any ARK LED lighting setup.
 
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