Brand: Train Tech Part Number: DS1 Scale / Type: HO / OO Scales Our Code: TTDS1 Colour light signal based on the signals used on modern railways. These signals are quick and easy to install and do not require any soldering. These signals are pre-built and just need to be inserted into the track using the two prongs attached to the signal. If you have already laid your track you can add wires to them rather than using the prongs. Be sure to read the instructions carefully before attempting to set up this signal. Signal Details: 2 Aspect Home Signal Pre-Assembled LED Stem DCC Decoder in Base Clips Straight into the Track Includes Detailing Pack Easy to Follow Instructions LED Colours: 1 x Red 1 x Green