L-Series, red, wall-mountable, clear lens, 2-wire, horn strobe that is unmarked. Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.
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 P2RK-R (replacement model) is a red, two-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 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.
The SpectrAlert Advance SPRK-R (replacement model) is a red, outdoor, wall-mount speaker. Offers mounting plate only, no back box included.
The SpectrAlert Advance SWK-P is an unmarked, white, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.