16 Zone hardwire to wireless translator with 319.5 MHz S-Line Encryption. Supports 2-Wire smoke detectors. Certified for Residential Fire. Installed in "Takeover" style enclosure. Built-In Power Supply, backup battery charging, and Relay for External Sirens or Speakers. Includes transformer. IQ Hardwire 16-F The IQ Hardwire 16-F offers a cost effective way of integrating hardwired security & smoke detector zones with the IQ Panel 2/2+. It includes backup battery charging, 500mA of 12volt auxiliary power, an onboard siren relay, built-in status LED’s for each zone and support for up to 10 two-wire smoke detectors. Normally Open and Normally Closed contacts are supported as well as powered zones like motion sensors and glass break detectors.