Features:<br> 100% Brand new and high quality. <br> Perfect for Railway & Building Layout! <br> You must connect a resistor in series before you will use them on 12V or 16V, I will supply compatible resistors for free. <br> <br> Specifications: <br> Brand:evemodel. <br> Size: Please see the picture. <br> Reference Scale: 1:87,Suitable for HO scale. <br> Operating Voltage: 12V, DC Compatible. <br> Operating Current: 20mA. <br> Material: Metal &Plastic. <br> Package included: <br> 1 Railroad crossing signals, including 1 Resistor for 9~18V operation. <br> 1 Circuit board flasher.