Partsam Slim Square LED Trailer Tail Lights Pair — Red Lens, 15 Red + 4 White LEDs, IP67 Submersible

Partsam slim square LED trailer lights are submersible, five-function tail lights with 15 red LEDs and 4 white LEDs designed for boat and utility trailers up to 80".

These low-profile, sealed tail lights combine running, brake, turn, side marker and license illumination in a compact square housing built to resist water intrusion. The lights use 5050 SMD diodes mounted on a fully sealed circuit board with an ABS body and PMMA lens, making them suitable for marine and road use when wired correctly. They come as a pair and include mounting screws and gaskets for straightforward replacement or retrofit.

How do these lights perform when submerged or exposed to water?

The lights feature a sealed circuit board and waterproof housing rated to IP67, so they withstand temporary submersion and heavy spray. Sealing prevents moisture from reaching the diodes and connections, reducing corrosion and failure risk when used on boat trailers.

• IP67-rated construction for temporary immersion resistance
• Sealed circuit board to protect LEDs and solder joints
• PMMA lens and ABS housing resistant to impact and saltwater
• Included gaskets and hardware to maintain a watertight mount

What wiring and functions should I expect from these lights?

This model uses three-wire hookup: white for ground, brown for low-brightness tail/running/clearance/license functions, and yellow/green for high-brightness stop and turn signals. Proper wiring ensures each function illuminates independently and meets legal visibility needs for trailers.

• White = ground/negative connection
• Brown = tail/running/side marker/license plate (low brightness)
• Yellow/green = stop and turn (high brightness)
• Simple three-wire system compatible with most 12V trailer harnesses

How bright and visible are the LEDs for safety and compliance?

The array includes fifteen red 5050 SMD LEDs providing strong stop/turn/running visibility and four white LEDs dedicated to license plate illumination. The combination delivers clear signaling in daytime and nighttime conditions while keeping the profile slim for modern trailers.

• 15 red LEDs optimized for brake, turn and running light visibility
• 4 white LEDs ensure plate illumination meets visibility requirements
• 5050 SMD diodes offer consistent output and color stability
• Slim square design reduces protrusion while maximizing light area

Who is this product best suited for? Owners of boat trailers, utility trailers, small trucks or specialty vehicles who need a low-profile, waterproof tail light solution will find these Partsam lights useful. They are ideal when replacing damaged lights on trailers under 80 inches wide, upgrading to marine-ready fixtures, or retrofitting a trailer with compact multi-function lighting. Installers should verify correct 12V wiring and inspect for shorts before using the lights in prolonged underwater applications.