The 5800C2W enables retrofitting existing security systems by; converting their wired sensors to Honeywell’s 5800 series wireless technology, and replacing the existing control panel with a LYNX Touch or LYNX Plus series control. The 5800C2W also works with residential VISTA control panels equipped with a wireless RF receiver and keypad. It saves on installation costs, time and materials since there is no need to replace wired devices with individual transmitters. The calibration feature on the 5800C2W solves a frustrating problem, When converting hardwire to wireless zones, the first thing you need to do is find all the resistors. Many times resistors can be in the walls or buried in the window frame. Tried digging those out? Talk about labor! The 5800C2W has a one button calibration. Press it and forget about resistor issues. It will automatically calibrate the value from 2k to 9k. Now that’s a labor saver!