1 x Model Railroad 4-ways traffic signal light controller simulator 4 directions

Price is for 1 circuit board2 ways / 4 ways Traffic Lights Controller Circuit Board Simulator       ParametersInput Voltage: 6V to 12V AC or DCor 3V DC ( 3V Cell battery or 2 x AA batteries )unlimited input current.Output Voltage: 3V DCMax. Output Current: 150mA ( may support 10 signals in parallel )Self adaptive Output Current:  Will be limited automatically if wire less than 10 signals, you may just use one signal on it.Power out both sides at the same time  you may still need the following:            PRODUCT  DESCRIPTION works for 4 ways ( 4 directions ) ...