Fitment: Compatible with Dodge Ram 1500 2500 3500 2003-2010 , Ram 4500 5500 2008-2010, Ram 1500 2500 3500 4500 5500 2011-2018.Super Brightness & New Upgrade: More than 20,000 working hours roof cab marker light. New upgrade light to replace old and dull roof cab marker light lamp, brighter than halogen bulb lamp. Output ultra-bright amber light which reflecting clearly lights around in the dark to alert.High Quality Raw Material:Made of high quality ABS plastic by approved to gurantee anti-scratch, waterproof, no faded with long-time exposure, can handle tough environments. The roof lights assembly are built-in advanced high brightness 24pcs LED chips, durable use..Easy to Install: The original car has cab marker lights that direct Replacement for the OEM installed white cab marker Light. If your car doesn't have roof lights you need to drill holes and use wire harness for installation, the mounting holes are on the front and back (Professional installation is recommended). Black Wiring is to negative and Red is to Positive..[Package list & 1 Year Warranty:] 5 pieces cab roof top marker running clearance amber LED light assembly, including wiring harness. Since order purchase date, feel free to send email if there's any issue before or after purchase, your case will be taken seriously regardless of warranty period.