The Optronics STL2RB is a premium, square LED upgrade for the passenger side (right hand) of trailers 80 inches or wider. While traditional incandescent lights struggle with vibration and water ingress, this unit utilizes a sonically sealed, submersible housing and 18 high-efficiency diodes to provide a lifetime of reliable signaling.
What Makes the STL2RB Unique?
- The 7-in-1 LED Command Center: This single fixture replaces an entire cluster of lights by providing Stop, Turn, Tail, Rear Clearance, Rear Reflex, Side Marker, and Side Reflex functions. It’s engineered to meet all DOT requirements for wide-load trailers in one compact, 18-diode array.
- Zero-Maintenance LED Technology: With no brittle filaments to break, these LEDs are rated to last up to 50 times longer than standard incandescent bulbs. They are significantly more efficient, drawing only a fraction of the power while producing a much crisper, faster-rising light that gives trailing drivers more time to react.
- Sonically Sealed "Vault" Design: The lens and housing are permanently fused together through sonic welding, creating an airtight seal. This submersible construction makes it the gold standard for boat trailers that face repeated dunking in both fresh and saltwater environments.
- Integrated Reflective Optics: The STL2RB features a built-in reflex reflector, eliminating the need to mount separate, unsightly reflectors on your trailer frame and keeping your setup looking clean and professional.
Detailed Specifications
- Trailers 80" or wider (Passenger Side)
- Universal Stud Mount (2" centers)
- 18 High-Output Red LEDs
- 6-1/8" L x 4-9/16" H x 2-7/8" D
- Mounting Hardware Included
Installation Advantage
The STL2RB features a simplified 3-wire hardwired design (Green for Turn/Brake, Brown for Tail, and White for Ground with a pre-installed ring terminal). Because it is an LED unit, it remains cool to the touch even after hours of use, preventing the "lens melting" issues common with high-wattage incandescent alternatives.
Pro Tip: If your current trailer uses a 2-wire setup that grounds through the mounting studs, the dedicated ground wire on the Optronics STL2RB is a major upgrade. Secure it directly to a clean spot on your trailer frame to ensure your LEDs never flicker due to a loose mounting bolt.
