Electronic siren multitones for interior applications. Designed, made and certified according to norm EN54-3. Made of ABS of red color. Protection degree IP44. High acoustic power (max. 102 dB) and very under consumption (max. 16 mA). He has control of the volume (+/-20 dB). Equipped with 32 selective tones. Equipped with entry for the second tone of activation. Tension of supply: 9 - 28 V. Temperature of functioning between-25 °C and 70 °C. Dimensions: Ø 93 x 63 mm. It includes surface base.