1PC Compact Circuit Board to Make the Crossing Signals LED Flash Alternately 860039/LaisDcc Brand

Crossing Signals

Size: 3.3CM*2.5CM
Operating Voltage: 3V-12V, DC Compatible.

For the LED flasher, there are many possible applications, especially for the kids, who love flashing light, here is some possible uses.
Railroad crossing signal for model railroads.
Saftey blinkers for bicycles, etc
Fun stuff for Halloween, like making those plastic Jack-o-lanterns blink(Try using ultraviolet LEDS here)
Christmax decorations
Blinkers to locate items in the dark.