21 pin Loksound 5 decoder for a Dapol class 52. These include speakers, DCC sound decoders, wire, black tack, micro connectors and weights to improve the running of your models. F4 Train Brake Off (Slot 22), F5 Loco Brake (Slot 23) F6 Couple up (Slot 8), F7 Uncouple (Slot 7), F8 Brake 1 (CV179), F9 Flange Squeal (Slot 15), F10 Preheat (Slot 18), F11 Guards Whistle (Slot 10).