Use this kit for badges, model trains, or kids toys. Comes with
3mm LED's- 2 red, 2 green, and 2 yellow. You use two of any color you
like. The circuit makes the LED's flash
alternately. Flash rate is controlled by changing the
resistor value. Use the flashing light to simulate an alarm
system in your home or auto.
Power requirement 9 to 15v DC.
SIZE: .75" x 1"
Here is the instruction sheet for this kit.