When it is important for your truck, trailer or RV to be seen and correctly signal other driver's, your vehicle's marker lights need to be in working order. If the lights are getting dim or the connection is failing or time has not been kind to your marker lights, it is time to have these required lights replaced. The 4” x 1” Rectangle RV LED Marker Lights in Clear/Red will have the faulty lights replaced and new ones operating in a jiffy. This 12 diode rectangular light and mounting base are sealed against the elements to ensure that these lights burn bright for a long time. Effective and easy to install. 4” x 1” Rectangle RV LED Marker Lights in Clear/Red with your choice of a black or chrome mounting base and choose either a 2-pack or 4-pack.