Quantity  3    
  Price $25.99 ,Ship cost 3.99        
   
 

 

Description

I17,Model signals

Size,6 cm (2.36inch) Height

The base is made by plastic(ABS)

Other part made by brass,

Red(top),yellow(middle), green(bottom) led

Infrare Electric circuit

Voltage, 12V

Power source,Direct current

The infrare transnitter 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"