112dB (SAE type A) backup alarm; DC 12V-24V 112dB at 1.2 meter 112dB (SAE type A) back up alarm 1.DC 12V-24V 112dB (SAE type A) at 1.2 meter2.Current out: 0.4A 3.Power: 4 Watts4.Temp. range: -40F to + 185 F5.Frequency: 1200 Hz6.Dimension: 8.3*18.3*10.1cm Car Alarm