uxcell DC3-24V Industrial Discontinuous Sound Electronic Alarm Buzzer 85dB White Product Name : Electronic Buzzer;Model No. : SFM-27;Type : Discontinuous 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 : 10.5cm / 4.1" External Material : Plastic;Color : White Weight : 20g;Package Content : 1 x Electronic Buzzer