High performance impact-resistant audio-visual signaller suitable for installation in industrial environments with a particularly high level of background noise. Convenient click-fit mounting onto the base. 64 tones available. Sound power 110 dB, absorption 30-85 mA (depending on the selected tone and flash frequency), power supply 17 to 60 Vdc. Optical coverage (W) 3.1-11.3. Operating temperature -25 to +70°C. Material: ABS. IP66 protection rating. Approved to EN 54-3 and EN 54-23.