| The NX-4 brings sophisticated security with an economical appeal to the NetworX family of control/communicators. Capable of supporting virtually any of the powerful expander modules from the NetworX family, the NX-4 expands the universe of options available to the smaller system user. Features: 4 fully programmed zones Zone doubling options Hardwire/wireless hybrid All zones programmable as fire and burglary 20 customizable pre-configured zone types 8 user codes 1 duress code Up/downloadable with competitor lockout Modular design with slide in PC boards Swinger shutdown Siren supervision Automatic arming with auto retry Fire alarm verification |