The Single Search Light Signal operates with a bi-polar LED (red/green).

To change the colours, simply reverse the polarity with a two way toggle switch (such as HMA 114) or via a point motor accessory switch (such as Peco PL-13 Accessory Switch or Turtoise/Cobalt Slow Action Motors).

Contents:
x1 HMA 2103 Single Search Light Signal
x2 HMA 111 Diodes (IN4004)
Instruction Manual
12 Volts DC or 15 Volts AC power supply and toggle switch required. Setup in 10 minutes when following the instructions provided. These are fine scale signals and are not a toy. Handle with care for long life!