Nilight 4-Inch LED Trailer Tail Lights — Red Ring & White Reverse, IP67 Sealed Pair, 12V

Nilight 4-inch LED trailer tail lights combine brake, running and reverse lighting in a sealed, weatherproof two-piece set for safer towing and utility use.

These compact 4-inch lamps integrate a bright red outer LED ring for tail and brake signaling with a white inner LED cluster for reverse illumination. Built with durable polycarbonate lenses, silicone grommets and an IP67 seal, the pair is made to withstand wet, dusty, and rough-road environments while delivering clear, visible light for trailers, trucks, agricultural equipment and other 12V systems.

How bright and visible are these lights at night?

The Nilight lamps use 16 high-efficiency LEDs per unit to deliver strong, easily seen output both for braking and reversing. The polycarbonate lens is shaped to reflect and spread light, increasing side and rear visibility without glare.

• 10 red LEDs form the outer ring for tail and brake signaling.
• 6 white LEDs in the center provide a focused reverse beam.
• Lens optics help reflect light back for broader visibility.

Will these lights survive bad weather and road vibration?

Yes—the housing and mounting grommet are built for outdoor use and fully seal the light against moisture and dust. The rubber-edged grommet offers a snug 360° fit that resists loosening from vibration and road shock.

• IP67 rating: dust-tight and protected against temporary immersion.
• Full rubber edge coverage prevents gaps and reduces rattling.
• Polycarbonate lens resists impact and UV degradation for longevity.

How easy is installation and wiring?

Installation is straightforward: press the rubber grommet into a pre-cut hole, push the light into place and hook up the four wires. Color-coded leads make it simple to match to the trailer’s 12V wiring harness with no special tools required.

• Mounting: insert grommet into hole, then pop the lamp into the grommet.
• Wiring: black = ground, red = brake, white = reverse, brown = running/tail.
• Designed for 12V DC systems on trailers, trucks and farm equipment.

Which vehicles and trailers are these lights compatible with?

These compact combination lamps are made to work across a wide range of towing and utility vehicles that use standard 12V electrical systems. They serve as tail, brake and reverse lights on many classes of trailers and light trucks.

• Fits utility trailers, boat trailers, travel trailers, horse trailers.
• Compatible with dump trucks, tractors, semi-trailers and fleet vehicles.
• Ideal for aftermarket upgrades or replacing worn factory lamps.

Who is this for: These Nilight 4-inch LED tail lights are suited to DIY mechanics, fleet operators, and trailer owners looking for a compact, all-in-one lighting solution that improves night visibility and is resistant to weather and road conditions. If you need a sealed, easy-to-install brake and reverse light combo for a 12V trailer or work vehicle, this pair delivers reliable brightness and rugged construction without complex wiring or adapters.