... . 55g Description Transport Information For our Standard Packaging Packing100PCS/CTNEFS5249 Alarms Model NoEFS5249AEFS5249BRated Voltage12VDC 24VDC Operating Voltage8~15VDC 12~24VDC Max ... is used in washing-machine,telephone,siren system computer system,alarms,toy,ect. Please let us know your requirements…