Converts rear turn signals to run-brake-turn Works with LEDs or incandescent bulbs Ten user-selectable built-in brake light strobe/flash patterns (user can also select no strobe/flash on brake) Ten user-selectable running light intensities allow user to match the running light brightness of turns to center taillight Ability to apply brake strobe/flash patterns on center taillight only, rear turns only, or rear turns and center taillight Built-in short circuit protection Sealed, weather-tight case Slim line design: 4.2" L x 1.4" W x 0.6" H. MODULE TRIPLE PLAY HD