High-performance audio signaller with low consumption, designed for fire alarm and surface-mounted systems. Has 32 main tones and 32 alternative tones, option of 4 different volume levels. Sound power at high volume 105 dB (A) at 1m. Absorption 4 mA / 2.3 mA / 1.3 mA / 1 mA (high / medium-high / medium-low / low volume). Power supply 9-60V DC. IP21 Protection rating. Dimensions (H x W x L) 45x109x120mm. Approved EN 54-3.