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.
5-degree volume control levels, built-in 24V DC forced relay and selectable power (6W, 30W, 60W, 120W): these are only some of the best-in-class features of Honeywell’s volume controller range! Design
The SpectrAlert Advance SPSCWHK is a white, outdoor speaker strobe for ceiling installations with selectable strobe settings of 135, 150, 177 and 185 cd.