Level crossing with 2 barrieres, powered by 2 separate underfloor-drive units. The drive provides slow movement during opening and closing of the barriers. The street can be lead across by any quantities of tracks. Board crossing pieces, access ramps and printed road signs are attached. Integrated decoder is multi protocol and recognises DCC and MM formates. For automatical use switching tracks respectively. Viessmann switching contacts item-No. 6840 are required. More information provided by signal book item-No. 5299 German version.To build four armbarrierres, item-No. 5107 mirrored model is required. More connectors offered by item-No. 5105 (2 rail) and 5106 (3 rail). Barrier lengh: approx 63 mm. Hint: Suitable sound module item-No. 5556 provides suitable sound according to the movement of the barrier arm.