Type: Backup Alarm SPL:97db at 1 Meter Voltage:12 To 24 Voltage Operating Voltage:9 To 32 Voltage Current Output:0.2 A Power:4 Watts Temp Range:40 To 165 F Frequency:960 To 1440 Hz Housing:Glassfiber Reinforce Nylon Weight:0.75 LBS Remark:CE