Inim red intrinsically safe (Ex) siren for installation in hazardous areas. ATEX and IECEx approved. Group I MI Ex ia I Ma and Group II IGD Ex ia IIC T6 Ga, Ex ia IIIC T85°C Da. Zones 0,1,2,20,21 & 22. IP66, 105dB, 2 tones and 32 selectable tone types, operating temperature : -40°C to +55°C and humidity : >90% at 20°C. This device must be used in conjunction with a zener barrier