For home security applications, the high-decibel DC3-24V active piezoelectric alarm offers a dependable solution. This electronic can be integrated into alarm systems to provide a loud and clear warning in case of intrusions or emergencies. Its easy installation and compatibility with various voltage levels make it a practical choice for enhancing the safety of residential properties, ensuring peace of mind for homeowners. Features -Color:Black -Material:Plastic -Size:11.00X3.50X1.00cm/4.32X1.38X0.39in -Voltage: 3-24V Output sound pressure: 90dB Rated voltage: 12vDC Operating frequency: 3300±500Hz Operating temperature: -20 degree centigrade ~ +80 degree centigrade -High : the alarm produces a high , ensuring that the alert is heard clearly -Wide power range: compatible with dc 3-24v power supplies, this is suitable for various electronic systems -Stable sound output: the active piezoelectric design has stable and sound output for reliable performance -Car buzzers: its easy installation and compatibility with various voltage levels make it a practical choice for enhancing the safety of residential properties, ensuring peace of mind for homeowners -Simple installation process: the can be easily installed using screws or adhesive, ensuring a secure and straightforward setup Package list: 2 x