2W-B

The SpectrAlert Advance P4RK-R (replacement model) is a red, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.

The L-Series HCRL-LF (red) and HCWL-LF (white) are 2-wire, 24 volt, 520Hz, ceiling sounders.

The SpectrAlert Advance SPSWH is a white speaker strobe for wall installation with selectable strobe settings of 135, 150, 177 and 185 cd.

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

The L-Series P2RL-LF (red) and P2WL-LF (white) are 2-wire, 24 volt, 520Hz, wall sounder strobes.

The SpectrAlert Advance SBBR is a red surface mount back box for wall installations.

SWIFT® white, wall mount AV Base for use with System Sensor L-Series AV devices.

System Sensor’s 800 series detectors are 2-wire conventional profile plug-in detectors aimed to meet the performance criteria designated by UL.