uxcell 5Pcs DC3-24V Wire Leads Industrial Audio Piezo Electronic Alarm Buzzer Product Name : Active Electronic Alarm Buzzer;Rated Voltage : DC 3-24V; Type : Continuous sound; Body Size : 23 x10mm / 0.9" x 0.4" (D*H);Wire Length : 10cm/4" External Material : Plastic;Color : Black Weight : 22g Package Content : 5 x Active Electronic Alarm Buzzer