Traditional mechanical grade crossing bell digital sound effect module. Module measures 1.5" X 3.0" X .4" and consists of a voltage regulator, digital sound effect chip, amplifier, volume control and terminal strips. Runs on 9-18v DC, 4-18v AC or 9-12v battery. Includes 2.5" speaker and complete installation instructions.

Bring your model railroad grade crossing signals to life
with realistic crossing bell digital sound effect!

The sound plays a continuous loop grade crossing bell digital sound effect when powered on, either manually or by a controller, like the "GCP" Grade Crossing Pro signal animator by Logic Rail Technologies (sold separately), until powered off. Place the module and speaker under the layout or in a building. Works with all scales.