Specifications- Power: through the BUS 12 V alarm center (9 - 15 V)- Average consumption in Standby: 5 mA; consumption in alarm 30 mA- Siren: piezo electric, 90 dB/m- Dimensions: 80 x 80 x 30 mm- Security Level: degree 2, EN 50131-1, EN 50131-4- Internal use in accordance with EN 50131-1: II- Operating temperature: -10 to 40 °C