uxcell 7PCS DC 5V Two Terminals Active Electronic Buzzer 85dB Product Name : Active Electronic Alarm Buzzer;Rated Voltage : DC 5V;Working Voltage : 6-24VDC Sound Pressure : &gt;= 85dB/10cm/5VDC;Current Consumption(Max.) : &lt;=30mA Operating Temperature Range : -20-+70C;Body Size : 12 x 10mm / 0.47" x 0.4" (D*T);Terminal Pitch : 7mm / 0.28" External Material : Plastic;Color : Black Weight : 12g;Package Content : 7 x Active Electronic Alarm Buzzer