1、Compability: This mudguard marker light is replacement for 2500 3500 2003 to 2009, please confirm whether your model is applicable before buying. 2、Super Bright: This mudguard marker light has built in 3pcs SuperFlux LEDs, which can provide a clear and vivid visual effect to ensure safe driving. 3、Multi Purpose: LED lights can be used as width lights, outline lights, ambient lights, sign lights, etc. With IP65 waterproof rating, it can be used in severe weather conditions. 4、Improve Driving Safety: This marker lamp improves vehicle visibility, give pedestrians and other drivers reaction time, ensure the safety of drivers and pedestrians, and prevent accidents. 5、Easy Installation: The installation of the signal sign light is very simple and can be quickly installed on the vehicle, without the need for complex tools and expertise. Item Type: Side Mudguard Marker Lamp Light Source: 3PCS Superflux LED Operating Voltage: 12VDC Power: 0.25w Waterproof Class: Ip65 Material: Pmma+abs Operating Temperature: -40degrees Celsius ~ 75degrees Celsius Applicable Model:Replacement for 2500 3500 2003 to 2009 (But the Product Is Also Suitable for Any Other Truck, Such as the 1500, With a Few Modifications and Wiring) Wiring: Black Connected to the Positive Terminal, White Connected to the Negative Terminal 1 x LED Marker Light 1 x Double Sided Tape