HRL-LF and HWL-LF

The 2W-B is a 2-wire, photoelectric i3 smoke detector.

The SpectrAlert Advance SRK is a red, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Includes back box.

The 2WTR-B is a 2-wire, photoelectric i3 smoke detector with thermal sensor and Form C relay.

The SpectrAlert Advance LENS-B is blue lens used for any indoor or outdoor wall mount strobes.

System Sensor i3™ sounder and relay smoke detectors apply the guiding principles of installation ease, intelligence, and instant inspection in a series of specialty conventional devices.

L-Series, amber lens, used for any indoor wall-mountable strobes.