Digitrax DH165Q1 HO Scale Diesel Locomotive QSI Style [Board Replacement DCC Decoder] Decoder - 6-Pin It features pre-programmed marker lights

It features pre-programmed marker lights that change color depending on direction

If the model has a shallow molded-on gearbox

Use the provided insulated gearbox or insulated #28 coupler

Simple hook up

The easiest installation possible

Digitrax DH165Q1 HO Scale Diesel Locomotive QSI Style [Board Replacement DCC Decoder] Decoder - 6-Pin It features pre-programmed marker lightsDigitrax DH165Q1 HO Scale Diesel Locomotive QSI Style Board Replacement DCC Decoder DH165Q1 fits Atlas, Intermountain, LifeLike & Other factory sound equipped HO Locomotives. Compatible with Digitrax Sound Bug. FEATURES: QSI style PCB replacement Plug NPlay decoder Allows replacement with new technology downloadable SFX SoundBug modules Accepts Plug in SFX SoundBug sound modules Excellent power management Booster or Programmer overloads Regulated