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1 x model train detector automatic signal controller crossing system trigger etc
- Item No : 402646198966
- Condition : New
- Brand : Unbranded
- Seller : wehonest_cn
- Current Bid : US $19.99
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* Item Description
- Or run to another direction under shuttle mode. signals normally show green. When the train passes the detector, the signal switches to red and keep red. Once the train has fully cleared the detector, the module switches the signal back to green( via delay red, yellow and double yellow if appropriate).
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