1.Dia.41.8*18 Piezo Siren 2.Min.Sound Pressure Level 98dB at 9VDC/30cm. 3.Max.Rated Current 50mA/9VDC 4. 6~12VDC piezo alarm

EFS4218  piezo siren

Model No	EFS4218
Rated Voltage	9VDC
Operating Voltage	6~12VDC
Max.Rated Current	50mA/9VDC
Min.Sound Pressure Level	98dB at 9VDC/30cm
Tone Nature	Siren
Operating Temperature	-20~+60°C
Weight	19g

 This product is used in washing-machine,telephone,siren system computer system,alarms,toy,ect.

dia:41.8*18mm piezo siren