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The SpectrAlert Advance HRK-R (replacement model) is a red, 12/24-volt horn for outdoor ceiling or wall installation. Offers mounting plate only - no back box included.

The SpectrAlert Advance P2WHK-P is an unmarked, white, two-wire, outdoor horn strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.

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

L-Series, white, wall-mountable, clear lens, 4-wire, horn strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.

System Sensor L-Series selectable output speaker strobes and dual-voltage evacuation speakers can reduce ground faults and enable faster installation with lower current draw and modern aesthetics.

L-Series, red, ceiling-mountable, clear lens, chime strobe that is unmarked. Selectable strobe settings: 15, 30, 75, 95, 115, 150, and 177 cd