The SpectrAlert Advance SPSRK-P is an unmarked, red, outdoor speaker strobe for wall installation with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
System Sensor’s SSM Series alarm bells are low-current, high-decibel notification appliances for use in fire and burglary systems or other signaling applications.