X-NRI/EN-D Network Resource Interface is a universal interface of X-618 for external control access and audio extension. It is suitable to the needs of central interfaces management required by middle
The SpectrAlert Advance SPSRK-R (replacement model) is a red, outdoor speaker strobe for wall installation with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting pl