Default: common anode signals. O scale signal. top may shows Green / middle shows Yellow / down shows Red. with screw base for easy installation.
High Quality Complete Signal O Scale Block Signals Model Train 3 Aspects
Brand New Complete Signal O Scale 20mA 2pcs 3 Aspects Block Signals Silver
High Quality Complete Signal O Scale Block Signals Model Train Silver 20mA
Complete Signal O Scale Block Signals For 12V DC To 16V DC LED Light Model Train
"Complete Your O Scale Model Train Layout with This LED Lamp Post Set”
JTD25 10 sets Target Faces With LEDs for Railway Dwarf signal O Scale 2 Aspects
