UPEYXDQR DC 3-24V Active Piezo Buzzer 85 db with Industrial Audio Inside 2-Wire Leads Electric Alarmer 5PCS

["Material: ABS; Type: active piezo electronic buzzer alarm with continuous sound; It's a kind of integrated electronic sounder, with stable performance and long service life.","Working voltage: DC 3-24V; Rated voltage: DC 12V; Max rated current: 12mA; Min sound output: 85dB, Response frequency: 3300 +/- 500Hz","Electronic buzzer alarm diameter height: approx. 22mm*10mm; High quality and materials are suitable with your devices, it is convenient to operate","With 2-wire pigtails, just connect to to any power supply from 3 to 24 Volts. Complete drive circuit incorporated for direct operation from DC power source","Widely used in computers, printers, copiers, alarms, telephone, timer and other electronic products as a sound device"]