Product Description DL16R 12V/24V Red small Federal siren alarmModel:DL16RSize:75×75(dia)mmVoltage:DC 12V/24VCurrent:1.5AMaterial:Zinc alloySound Level:110dBFrequency:420Hz inner box:8×8×8cm Package:100pcs/cartonGW/pc:240gColor:Chrome/Red