Whether you are replacing an older, wired security system or want to retrofit the pre-wired security sensors common to new construction, the 2GIG Hardwire Conversion Kit (2GIG-TAKE-KIT1) is the ideal solution and it�s easy to install. Leveraging 2GIG�s patented wireless takeover technology, each kit includes one (1) Super Switch Takeover Module, which converts up to eight (8) wired sensors to 2GIG wireless zones. The kit also includes a power supply board with backup battery charging circuit, a grounded plug-in transformer, and an ABS plastic enclosure that includes a dedicated space for your backup battery (battery not included). The enclosure will also accommodate up to two (2) additional Super Switch Takeover Modules, which increases your capacity to convert up to 24 wired sensors to wireless zones.