Simplex 4903-9427 Horn Strobe

Simplex 4903-9427 TrueAlert non-addressable audible and visible notification. For applications requiring audible/visible (A/V) notification with horn tones, these Simplex 4903 series appliances combine a high intensity strobe with a low current electronic horn in a compact package that is easy and quick to install. Each appliance can be controlled independently from each other using conventional reverse polarity NACs.