General description These 4pcs 12V-24V LED marker lights are designed for use on trailers, trucks, buses, boats, RVs, SUVs, and UTVs. With 27 bright amber LEDs, they provide excellent visibility for various applications including side signs, tail lights, direction lights, rear lights, license plate lights, and stop lights. Technical specifications Number of LEDs: 27 LEDs Color: Amber Voltage: DC 12V-24V Lamp Dimensions: 95mm x 23mm x 2mm Lamp Dimensions with Black Base: 130mm x 28mm x 14mm Hole Spacing: 110mm (3.23 inches) Wire Length: 170mm (7.87 inches) Compatibility and accessories Suitable for most buses, trucks, trailers, and lorries Package Includes: 4 Amber Side Panels, 8 Screws Installation Two Wire Connection: Red for Positive Pole, Black for Negative Pole or Ground