... plastic 3,Voltage:12V 2,Siren has three operation modes ,Triple tamper protection 4,waterproof 1,Outdoor/Indoor siren with strobe2,Product number ... : FS-06 3,CE license4,Siren has three operation modes: siren only, strobe light only, or siren and strobe light5 ... : Warble21,Weight: 1.8kg HOT SALE,FS-06,12V outdoor alarm siren with strobe