<ul><li>Product Name : Electronic Buzzer;Model No. : SFM-27;Sound-making Type : ContinuousSound Beep;Rated Voltage : DC 12V</li><li>Operating Voltage : DC 3-24V;Rated Current : 30mA;Decibel : 90DB</li><li>Resonant Frequency : 3000+/-500;Working Temperature : -20 to +60;Overall Size : 30 x 15mm/ 1.2\" x 0.6\"(D*H)</li><li>Mounting Hole Dia : 3mm/ 0.12\";Mounting Hole Distance : 40mm/ 1.6\";Wire Length : 10cm / 4\"</li><li>External Material : ABS;Weight : 8g;Package Content : 1 x ElectronicBuzzer</li></ul><br><br>ABS external material, DC 3-24V operating voltage, 2 wire, convenient for wiring.\nDecibel: 90DB, continuous sound beep.\nAn suitable item for machinery equiment, oven, electric cabinet, industrial using, etc.

uxcell DC 3-24V 30mA 90DB Continuons Beep Alarm Electronic Buzzer Sounder