FDM-1 is a standard-sized dual monitor module used to monitor and supervise two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addres
FDM-1 is a standard-sized dual monitor module used to monitor and supervise two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addres
The SpectrAlert Advance P2RHK is a red, two-wire, outdoor horn strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.
The SpectrAlert Advance SWHK-P is an unmarked, white, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.
Take your pick from 6 loudspeakers (available in charcoal or white) for high-quality sound effects across a range of frequencies - from bass to treble. Mounting brackets can be purchased separately fo
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.