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.
System Sensor i3™ sounder and relay smoke detectors apply the guiding principles of installation ease, intelligence, and instant inspection in a series of specialty conventional devices.
The SpectrAlert Advance PC2WHK is a white, two-wire, outdoor, ceiling-mount horn strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.