|DSC Power 1864 security system is the top model of DSC s new Power Series systems. It is similar to the now discontinued Power 864, but has over 100 new features. The board offers eight zones, but can be expanded up to sixty-four hardwired zones. Up to thirty-two of this systems sixty-four zones can be wireless. The Power 1864 security system is compatible with all Power Series modules and keypads. The 1864 security system is pretty much the same as the 1832, the difference is that the 1864 offers more zones, and doubles the number of partitions available to eight. A great choice for those needing a lot of zones, such as large commercial buildings.