4W-B

The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.

The SpectrAlert Advance PC2WK is a white, two-wire, ceiling-mount outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.

L-Series, green lens, used for any indoor ceiling-mountable strobes.

L-Series, white, wall-mountable, chime that is unmarked.

Notifier 851 Series intelligent plug-in smoke detectors with integral communication provide features that surpass conventional detectors.

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.