The one-way spotlight Art. 49PRM120 has a water-resistant cylindrical frame (IP66) in white ABS with an adjustable aluminium mounting backplate and cable L = 1 m. It is equipped with a 130 mm full-range loudspeaker and a 100 V line transformer with four power adjustment levels (20 / 10 / 5 / 2.5 W). Designed to achieve sound emission with significant directivity, it is particularly suitable for installation in hallways, corridors and particularly large rooms. Includes a protective thermal fuse and ceramic terminal, with everything housed in a junction box to make installation quicker and easier. Designed and constructed for use in emergency and evacuation systems. Approved to standard EN 54-24.