Simplex 4906-9251 Wall Speaker Strobe - Red imported eBay these Simplex 4903-9418 series appliances

these Simplex 4903-9418 series appliances combine a high-intensity strobe with a low current electronic horn in a compact package that is easy and quick to install

Sounder operation is also on UL Standard 464 list

It features automatic compensation for environmental contamination and offers easy detector calibration test viewing

All appliance wiring is accomplished room-side for easy installation

as well as testing

Simplex 4906-9251 Wall Speaker Strobe - Red imported eBay these Simplex 4903-9418 series appliancesThe Simplex 4906 9251 provides convenient installation to standard electrical boxes with extensions. The strobe is individually address and individually controlled with power, supervision, control supplied from Simplex fire alarm control units providing. See TrueAlert strobe LEGACY compatibility reference for additional information. Besides, speakers are wire separately. In general, Simplex 4906 9251 provides visible notification using a single two