DC3-24V Industrial Continuous Sound Electronic Alarm Buzzer 85dB Product Name : Electronic Buzzer;Model No. : LZQ-2715;Type : Continuous Sound Rated Voltage : DC 3-24V;Sound Pressure : 85dB;Overall Size : 48 x 30 x 15mm / 1.9" x 1.2" x 0.6" (L*W*T) Mounting Hole Diameter : 3mm / 0.12";Wire Length : 10cm / 3.9" External Material : Plastic;Color : Black Weight : 8g;Package Content : 1 x Electronic Buzzer