Choice of 10 user-selectable built-in brake light strobe/flash patterns (user can also select no strobe/flash on brake). Converts rear turn signals to run-brake-turn. Works with LEDs or incandescent bulbs. Ability to apply brake strobe/flash patterns on brake lights only, turn signals only or both. When SMART function is turned on, strobe/flashing will be paused on turn signal when simultaneously braking and turning. Built-in short circuit protection. Load Equalizer/Signal Stabilizer required.