Price is for 1 set Auto Control system by reed switches + magnetswith sound board, flasher board and signalswired and mount on an Acrylic board will come with 2 of the above default signals, you may replace them for other signals in my store, just inform me via the note when payCharacteristic 2 x HO 4 heads crossing signals + 1 train detector board by reed switches + 1 flasher board + 1 sound effect board + 2 wired reed switches + 2 magnets + 1 speaker + 1 expanding wire boards are mounted on a 12.5cm x 12.5cm Acrylic board by screwsdefault signals are for HO Scale: 1:87 ( you may replace them with other signals from my store ) Brand new and boards are prewire...