Double infrared / microwave volumetric detector, with active infrared anti-masking. Coverage of 15 m / 90 °. Anti-muffling technology, which ensures the detection and AND (Y) operation of the two technologies in the presence of critical environmental temperature and / or camouflage attempts. Advanced infrared anti-mask system for very high security applications. Special mirror for zero angle detection. 3 LEDs for indication and tests. X-band precision microwave technology. Possibility of inhibition of the microwave channel in day mode. High immunity to electromagnetic and fluorescent interferences.