Specifications Product Electronic Siren - SLC 122 Tone Standard Siren Tone Operating Voltage 10.5 ~ 13.5Volt DC, Typical 12Volt DC Current 500mA (at 12V DC) Sound level 113 dB at 1 Meter Distance (at 12V DC) Operating Temperature 0° C to +50° C Continuous Operation Maximum for 10 min at normal room temperature. Material of Housing ABS 300 Color Black Weight 400 Gm (approximately with packing) Mounting Bracket Material is M.S. (Adjustable mounting bracket). Dimension 97mm X 94mm X 55mm Warranty One year against any manufacturing defects.