uxcell 5 Pcs DC 12V 80dB Industrial Continuous Sound Passive Electronic Buzzer Alarm Passive Black Product Name : Electronic Buzzer;Sound-making Type : Continuous Sound;Rated Voltage : DC 12V Rated Current : 2mA;Frequency : 4000+/-500Hz;Sound : 80dB Body Diameter : 14mm / 0.55";Overall Size : 14 x 4mm / 0.55" x 0.16"(D*T);Wire Length : 2cm / 0.8" External Material : ABS;Color : Black Weight : 4g;Package Content : 5 x Electronic Buzzer