Recipient of linear detector of smoke autoadjustable OSID with angle of opening of 80 °. Suitable to work with the issuers-SP DARED and-SPW DARED or with the issuer of discharge power DARED-HPW. It allows a system with up to 7 simultaneous issuers. Designed, made and certificate according to norm EN54-12. Linear detector based on transmission of beams TO GO and UV, caught by a recipient with detection of image. Very high immunity opposite to structural movements.