With its modern and captivating design, Sirya is a piezo-electric siren on RS-485 BUS for indoor use. Self-powering siren with rechargeable battery to signal wire cutting. It functions on BUS also without battery. Available with or without ultra-bright flashing LED light (smoke grey or red flashing unit). Programmable association to areas and functions (arming/disarming, stay mode). Sound power level adjustable directly from the control panel with possibility to select up to 8 tones. White ABS box. Battery status check with SMS signalling.