Partsam Double Bullseye LED Marker Light for Trailer & RV 4x2 Red/Amber DOT-Approved 10-Diode

Partsam 14x Double Bullseye LED trailer/RV marker light is a DOT-approved, surface-mount 4" x 2" rectangular lamp with 10 diodes (7 amber + 7 red configuration) designed for clearance, side marker and identification use on trailers, campers and trucks.

Built to replace or upgrade factory marker lamps, this Partsam double-bullseye LED packs bright, low-draw illumination into a sealed, tiger-eye style housing. The lamp is sized to fit common surface-mount locations and is rated for 12V systems, offering a durable, weather-resistant option for exterior trailer lighting. It’s versatile for use as a clearance light, side marker or ID lamp and meets DOT visibility standards.

How will this marker light improve visibility on my trailer or RV?

The Partsam double bullseye LED delivers sharper, more consistent light than incandescent bulbs, helping other drivers see your vehicle outline in low light and poor weather. LEDs reach full brightness instantly, increasing conspicuity at night and during signaling.

• 10 diodes focused in a bullseye pattern for high visibility
• Distinct red/amber color combination for rear and side applications
• Instant-on LED output improves recognition by other road users
• DOT-approved output level suitable for clearance and marker roles

Will this fit my trailer — what are the dimensions and mounting details?

The lamp measures approximately 100mm x 50mm x 25mm (4" x 2" x 1"), designed for surface-mount installation on flat panels or fenders. Wiring exits from the center (note image guidance) and the sealed housing simplifies exterior mounting without an internal cavity.

• Overall size: ~4" long, 2" wide, 1" deep for common retrofit locations
• Surface-mount style with visible perimeter screw locations
• Wires routed from the center — check orientation before final installation
• Sealed lens and housing resist moisture and road debris

How durable and weatherproof is the Partsam tiger-eye LED marker?

This model is built for exterior use with a sealed housing that protects LEDs and circuitry from water and dust. The rugged lens and mounting design handle normal road vibration and exposure typical of trailers, RVs and light trucks.

• Sealed construction to guard against moisture intrusion
• Rigid housing tolerates vibration and road shock
• LEDs have long service life and low operating current
• Simple cleaning and maintenance — no bulb replacement

Can this lamp be used in multiple positions on my vehicle?

Yes — the Partsam 14x Double Bullseye serves as a side marker, clearance lamp or identification light depending on placement and wiring. Ensure color and positioning meet local vehicle lighting regulations when using it as a directive marker.

• Use as side marker or clearance light on trailers and campers
• Matches trailer-style rectangular marker applications
• Compatible with 12V vehicle electrical systems
• DOT-approved for accepted marker functions

Who is this for: This Partsam LED marker suits trailer owners, RV and camper renovators, boat trailer users and light truck operators who need reliable, energy-efficient exterior marker lighting. It’s also a good choice for fleet maintenance teams and DIYers replacing worn or dim incandescent side markers with a long-lasting LED upgrade.