1T-L14 is a Four Inch Round LED Tail lamp. This is a Class Eight Long Haul Tail Lamp with a Hard Wired Pig Tail that has a standard Three Way Female Plug for easy Plug In to a Harness. This Light is a SAE/DOT certified Multi-Function Stop Turn Tail Lamp. An excellent Long Lasting Over the Road Tail Lamp, Water Proof and Submersible. Durable Polycarbonate Construction. The Light Features a Brilliant 12 LED Light Pattern that is always in the uniform oreintation and has been a favorite Amongst Owner Operators. LED Technology is Fast Acting Providing Early Warning of Braking or Turning Actions. The light mounts with a standard four inch Rubber Gommet which is Sold Seperatly.