Specifications Product Piezo Siren - SQR 117 Tone Standard Siren Tone Operating Voltage 10 ~ 30Volt DC, Typical 12Volt DC Current 80 mA (at 12V DC) Sound level 110 dB at 1 Meter Distance (at 12V DC) Operating Temperature 0o C to +50o C Continuous Operation Maximum for 20 Minutes at normal room temperature. Material of Housing ABS 300 Color Black Weight 100 Gm (approximately with packing) Mounting Bracket ABS 300. Dimension 60mm X 66mm X 58mm X 70mm Warranty One year against any manufacturing defects.