Simplex 4904-9178 Visible Notification Appliance Wall-Mount SF 22/01 which can support 159 SK

which can support 159 SK detectors and 159 SK modules

They fit into a standard 4‐inch square or double‐gang electrical back box

The wiegand output can send 3 different event data

The dual function of this single device makes it ideal for installations such as hotels

They connect to the control panel via the RS-485 SBus

Simplex 4904-9178 Visible Notification Appliance Wall-Mount SF 22/01 which can support 159 SKSimplex 4904 Series wall mount visible notification appliances provide symmetrical light output in key axis directions by utilizing a compound, multi surface reflector. The lens assembly fits securely into its housing, providing a high integrity notification appliance that is impact and vandal resistant and suitable for a variety of applications.