Model No: Type:Indoor Surface Mount Siren Min.S. P. L. :102 dB at 12VDC/1m 8 Ohm Tone:Steady & Warble Power:15 Watts Operating Voltage:6 To 14VDC Max.Current:550mA at 12VDC Material:White ABS Plastic Magnet Size:60*32*10mm(Dia.*H) Dimension:110*110 mm Operating Temperature:20 T0 65 C Weight:400 g Remark:33*25*38cm/30pcs