Vanderbilt, Battery-powered two-way wireless optical smoke detector for SPC panels. The smoke detector can be used stand-alone or in conjunction with SPC alarm panels by means of the SPCW120.000 receiver.PLEASE NOTE! Only works with AIC-1200 and the new SPCW120.000 (30230456) with an SPC GEN1 with minimum firmware version 3.16 or SPCevo with minimum firmware version 4.1.2.