Smarter Access Control is a powerful, easy-to-use solution for businesses ranging from small shops to large commercial properties. Designed for high-traffic business environments, the LP1501 PoE Door Controller & Power Kit comes with an LP1501 pre-wired to a 12/24 VDC dual-voltage power supply. Installation is easy with this self-contained kit that can provide power for a complete 1 or 2 door access control system.Add additional readers, relay outputs, and I/O inputs to the system by mounting another LP1501 PoE Door Controller or Single Reader Expansion Module (both sold separately) on the included mounting plate.