... .Voltage: DC 24V/DC 12V strobe light Model:FS-04Product Introduction1.Size:159X126X47mm2.Voltage: DC 24V/DC ... Alarm Sound:105dB;7.Life Of Flash Light: ≥50,000;8.Alarm Sound Type: SINGLE TONE9. Ambient Temperature: -20 ~ ... 5X50.4CM12,G.W.:17.2KGS13,N.W.:13.8 KGS1) with high quality at competitive price2) ... after-sale service to guarantee customers' benefit FS-04,12v 24v siren with strobe,price of factory ...