BS-531 Product InformationThis device is a means of indicating the fire detection panel that gives visual signal with the beacon and audible signal with the siren. The sharp sound and light signal it produces, covers an area of several square meters. The frequency of the main tone is 2.5kHz (± 20%). It can work with any fire detection panel With EVPU certification. Horizontal TabsDocumentation User Manual Declaration of Conformity Declaration of Performance Certifications EVPU Certification