Honeywell IQ8Alarm Plus/FSo combined Sounder and VisualAlarmDevice(VAD)EN 54-23 cat. W, red flash, 807224RR; Addressable ,completelybussupplied and short circuit/ open circuit resilient combinedfirealarmsounder and Visual Alarm Device (VAD) in compliancewith EN 54-3andEN54-23 with integrated signaling tones and red lightflashforacousticand optical alarm signaling; With up to 20 differentprogrammablesignaling tones including DIN tone in accordance with DIN33404 Part 3;The volume can be set to 8 different levels;Theopticalsignallingdevice is suitable for square signal rangesW-2.4-5toW-3.6-8; Theoptical signal range is adjustable in 6 sizesviatools8000; Signalingdevice with flat base, suitable for wallmounting.