One Strobe Kit with 12pcs 0.5W LED and one controller, all colorare possible, Amber is the most popular.  12VDC, 30Watt
With the control box, choose 3 flash modes:
Light A group of short flashes 8 times, Light B flashes of shortflashes 8 times, repeat continuously.
Light A group of short flashes once, Light B group of short flashesonce, repeat continuously.
Light A group and Light B group flash once at the same time, repeatcontinuously.