1 set crossing signals + automatic IR sensors controller flash by train detector

1 set Auto Control system by IR sensorswith flasher board and signalsDrive by 6V to 24V AC/DC transformer ( Not Include ), when trains cover the IR sensor, the crossing signals begin to flash, and stop when trains clear the IR sensor.Specifications:Brand: WeHonest Model.Reference Scale: Suitable all scale layouts.Operating Voltage: 6V to 24V AV/DC.Brand new and boards are prewired, ready to use upon arrivaldefault signals: will come with 2 of the above default HO signals, you may replace them for other signals in my store, just inform me via the note when payPackage included:2 x signals, 1 x master controller board, 1 x flasher board, 2 x IR sensors, 2 x extending wiresbo...