Aico Audiolink Optical Alarm 230v With 10yr Rech Back Up

Description Contains a high-performance optical sensor Mains powered with 10-year rechargeable lithium cell back-up Add an Ei3000MRF module for wireless interconnection and data extraction AudioLINK data extraction technology Compatible with other Aico mains powered devices Dust compensation – unique self monitoring mechanism easi-fit base 10-year life EAN: 5099383006513