Syncro 1 loop addressable control module + 3 single area extinguishing control module Space to add additional extinguishing modules Detection and Extinguishing controls and status indicators Dual action manual extinguishing release control Auto/Manual keyswitch Integral 5.25 Amp power supply 230V AC input Space for 2 x 12V 12Ah SLA batteries Surface Mount M4 enclosure 385mm (W) x 700mm (H) x 145mm (D)