Honeywell REM5000R1001 Portable Comfort Control Change Sensing Locations - Choose the "sense from here" option to sense temperature from a location other than the thermostat Control Multiple Zones - When installed with zoning, can be used to change the set temperature from any zone Zero Interference - Will not interfere with other wireless devices in the home, such as baby monitors or cordless phones Built-in Pager - Push a button on the thermostat to locate the control with an audible noise Goes the Distance - Works in every home - tested up to 10,000 square feet