Price is for 1 xDouble Red Lights Railroad Dwarf Signals HO Scale 1:87 or OO scale 1:76made of 3mm LEDswill come with resistors for 12V or 16V use Connect the resistor to the Common Anode ( Black Wire ) if you will use them on 12V or 16V Operating Voltage = 1.8V to 2.4VOperating Current = 18mA to 20mAwill come with resistors for 12V or 16V use CharacteristicPrice is for 1 unitsSize for each : Please check from the photoesfor OO gauge 1:76 or HO gauge 1:87the signal head is made from PlasticBrand newPRODUCT DESCRIPTION Normally be used to stop your trains at the end ...