Suitable in conjunction with the control modules for light signals Art. 5221 – 5223 and hobby light signals item. 4021 and 4022. When the main signal indicates a stop, blanking switches off a distant signal attached to the same mast. You can find more interesting model railway items at affordable prices in our eBay shop! We usually ship the goods within two working days after receipt of payment. We bear the eBay costs. For your records, you will receive an invoice from us together with the goods with confirmation of receipt of payment and (within Germany) VAT certificate. If you have any questions, we are happy to help you. You can reach us either by email or fax and by telephone on weekdays between 10 a.m. and 7 p.m. If necessary, we will also be happy to call you back. You can find our.