LED Combo Controller by Kuntzleman The controller is capable of powering up to 4 of our special strobe heads. To add more visibility we have 3 additional heads to choose from that will work in conjunction with the two wing tip heads. LED-HACW is a streamline strobe & White AFT Position light, LED-SO is a streamline strobe only and LED-TLS is a Round taillight style strobe only. Each additional head requires a Y-PC patch cord. Synchronized strobe with seven select-able flash patterns. The strobe and position lights draw less than 2 Amps at 12/24V. Heads are 3.2" long x 1.1" wide and controller is 2.2" x 5". Weight 12 oz.