High power acoustic signaling device for Fire Alarm. Surface mounting wall installations. Acoustic pressure 120dB (A)@1m. Four control inputs for four alarm modes. Programming via NFC technology and MySirena app: 67 alarm tones and 8 programmable sound intensity levels. Maximum absorption in acoustic signaling 730 mA. Operating temperature -40°C +60°C. Degree of protection IP66 / IP69K. Can be used indoors and outdoors. ABS V0 container. EN 54-3