2 Aspect Red/Yellow Standard Signal Kit Square Head A resistor is included which must be used. Suitable for 12volt DC power supply.
Eckon ES26 2-2-2 aspect home 3 way junction signal kit round head type-
Eckon ES14 2-Light (Red/Green) Ground Signal - 2 or 4mm Scale
Eckon ES30 2 aspect home standard T junction signal kit round head
Eckon ES32 2 aspect home standard long T junction signal kit round head
Eckon ES24 2 white 1 red ground signal
Eckon ES25 2 red 1 white ground signal