|Price $24.99 ,Ship cost 3.99|
DescriptionI10,hand made model signals
Size,4 cm (1.57inch) Height
Green(top),Red(middle) ,yellow(bottom) led & brass
Voltage, 12V Power source,Direct current
The infrare transmitter head is seperate .Other elactrice circuit connected with signal.
When 2 infrared receivers receive infrared ray,The signal work on "red",When the train
coming, First one infrared receiver can not recieve infrared ray,The signal work on "yellow"
The train move forward ,Another infrared receiver can not recieve infrared ray,"Yellow" off,The
signal work on"green"