8PCS SFM-20B DC3-24V Durable 3-24V Piezo Electronic Buzzer Alarm 95DB Continuous Sound Buzzer For Arduino Car Van
 
Description:
Color: Black
Alarm Diameter:22mm/0.86"
Alarm Height:10mm/0.39”
2 Mounting Holes distance:30mm/1.18"
2 Wires length:90mm/3.54"
Buzzer Type: Piezoelectric
Sound Pressure Level 95 dB
Rate Voltage: 12V DC
Operating Voltage: 3 - 24V
Max Current Rating 10mA
Frequency 3900±500Hz
Drive Method: Drive Circuit Built in Mounting Holes
Sound:"Di" Continuous