3pcs Model Railway HO Scale Traffic Signal 2-Lights Green Red Block Signal 6cm

Features:

100% Brand new and high quality.
Perfect for Railway & Building Layout!
Made with white LEDs.
Complete with wires and LEDs and can be lighted.
The resistor had been pre-wired in series with the signal to use on 9V to 12V.
Please apply correct Operating Current 20mA to each LED too.