EMKLS-170-1 Electronic Alarm Siren Shell material: stainless steel Sound Pressure:115-120dB/1m Voltage:DC12/24/48V AC220V FEATURES:1.OEM is welcome.2.Safe, reasonable design. Deft appearance , Convenient usage.3.Corrosion resistance, aging resistance, long service life4.High strength, not easy bending, anti-shock capability5.Cheap, beautiful appearance, Smooth in back and surfaceSPECIFICATIONS: ...