The SpectrAlert Advance SPSCWK-CLR-ALERT is a white, outdoor speaker strobe with clear leans and ALERT pad print for ceiling installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110
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