The FIRESAFE Manually Operated Siren is designed for evacuation and warning in large areas where power supply is not available. Output: 120 dB @1m Output Frequency: 600 Hz Weight: 9kg Dimensions: H750mm x W410mm x D400mm ABFSCHOS01 FIRESAFE 220v Fire Alarm – Push Button FIRESAFE 220v Fire Alarm – Break Glass FIRESAFE Hand Operated Fire Bell FIRESAFE Megaphone MD-10