1 x Model Railroad Traffic signal Light Controller Circuit board HO N all Scale(WeHonest)(WeHonest)

Price is for 1 pcsTraffic Lights Controller Circuit Board Simulator   when press the K1 switch or press the momentary switch to the SW2,  the signals will be lighted up by the following continental sequence. =======================================================================when press the K3 switch or press the momentary switch to the SW1,  the signals will be lighted up by the following UK sequence.   please follow the wiring within the photos, no further instruction paper.it works for 2 ways signals only ( western + eastern OR southern + northern ), not 4 ways signalsParametersInput Voltage: 4V to 20V AC or DCor 3V DC ( 3...