price for 2 complete traffic signalsmade by 2mm LEDs ( colors: top red / middle yellow / bottom green)black wire = common anode wireother color wires = cathode wires for related LEDs.Specifications:Brand: WeHonest Model.Reference Scale: Suitable HO scale layouts.Operating Voltage: 3V DC. ( don't use them on higher voltage unless you wire a resistor with each signal )Operating Current each LED: max. 20mAheight: please check from photosPackage included:2 x complete assembled signals...