HRK

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

FMM-1 is a standard-sized module (typically mounts to a 4" [10.16 cm] square box) that supervises either a Class A (Style D) or Class B (Style B) circuit of dry-contact input devices.

The 4WT-B is a 4-wire, photoelectric i3 smoke detector with a 135°F fixed thermal sensor.

The SpectrAlert Advance SWHK is a white, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.

L-Series, white, ceiling surface-mountable back box.

L-Series, red, ceiling-mountable, clear lens, strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 115, 150, and 177 cd.