1Low and current draw-long life LED:These LEDs draw less current, generate less heat and are brighter and light faster than an incandescent bulb.2Universal led marker lights: Great for Pickups, trucks, trailers, travel trailer, boat trailer, horse trailer, SUV van Caravan, Boat Lorry Bus ,Caravan Boat Campers or RVs.3Applications: Indoor & Outdoor uses ,Back up light, Off Road Lighting, Truck, Trailer Interior & Exterior Lighting, Construction Lighting, Garden, Backyard Lighting.4clearance lamp for heavy duty trucks, semi-trailers, cargo trailers, boat trailers, work vehicles, and any motor vehicle requiring quality DOT rated lighting.Led Chip: 4x 3528 SMD light emitting diodes: 12W cord length: 25CMVoltage: DC 10-30V 12V\/24V)LED quantity by the light: 4Wiring: 2 Black is Positive : White is Negative)Function: clearance Lamps, side marker Lamps, identification lights, Trailer Lights etcMaterial:ABS+PMMAcolour:yellowPackage Contents:10 x Side Marker Lights20 x ScrewsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.