Simplex 4904-9178 Visible Notification Appliance Wall-Mount SF 22/01 Detector Tester Calibration Kit

Detector Tester Calibration Kit

Additional Replacement Duct Detector Boards (565-925) sold separately

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

Selectable Wattage

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

Simplex 4904-9178 Visible Notification Appliance Wall-Mount SF 22/01 Detector Tester Calibration KitSimplex 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.