Description Type: Piezo Alarm & Strobe Rated Voltage: 12 VDC Operating Voltage: 6 To 15VDC Max. Rated Current:300 mA Min.SPL: 110 dB at 12VDC/1m Resonant Frequency: Tone Nature: Warble Housing: ABS Plastic Operat. Temperature: 20 T0 70 F Store Temperature: 20 T0 65 F Weight: 150 g Remark: 122*73 mm