2V 3V 5V 6V 9V 12V DC Piezo Electronic Buzzer Very Load Alarm Electric Securi...
2V 3V 5V 6V 9V 12V DC Piezo Electronic Buzzer Very Load Alarm Electric Security Siren Horn 120dB@12VDC. DC2 to 12V Alarm Siren with Plug Connector. What you get:1xAlarm Siren with sticker. 120dB@12VDC, it's loud even at 3V or 5VDC.