Ideal for outdoor RV/trailer enthusiasts! Our 12V Low Voltage LED Rectangle Side Marker Light is reliable exterior lighting, serving as trailer lights, rv marker lights, and rv clearance lights. Made with a red reflex-reflective plastic lens and black flat-bottom base, this camper marker light boosts parking safety and has a sleek look. As premium trailer red side marker lights, it meets DOT certification for safety. The LED board (0.3W, bright red light) is embedded in an aluminum plate (for heat dissipation) on the black base—LED beads are non-removable. It boasts a 30,000+ hour lifespan, no frequent replacements needed. IP55-rated for outdoor use, this rv red marker light works great as camper running lights and rv running lights exterior led red. Surface-mount (no wire-hiding space) with 8.3-inch rv running lights center wire (black=positive, white=negative) from the base back. Installation needs 2 screws (not included), easy for DIY. Measuring 4.5”L x 1.8”W x 0.6”H, this 12V rv red marker light fits RVs, campers, trailers—ideal for side, running, clearance lights (front/rear/left/right). No built-in switch (compatible with external switches, not included). 1-year warranty for worry-free adventures