The Honeywell SiXCOMBOVA is a wireless combination smoke, heat and carbon monoxide (CO) detector that is intended for use with the ProSeries or Lyric Controller that supports SiX-Series wireless devices. In a matter of minutes, the SiXCOMBOVA can be programmed and enrolled into the Lyric Controller (LCP500-L) or ProSeries (PROA7PLUS) all-in-one wireless touchscreen control panel. Due to its SiX-Series Sensor Lock feature, once enrolled.