AJ-FS03 indoor long loundly electric strobe siren 1,LED light 2,material:ABS plastic 3,long loundly ProductsEasy intallation!Long loundly!It's suitable for bank,shop,supermarket. AJ-FS03 indoor long loundly electric strobe siren Technical specificationOperating voltage: 12 VDCOperating current: 250mASound:110dB AJ-FS03 indoor long loundly electric strobe siren