Compatible with Honeywell Home T9 and T10 pro smart thermostats Smart room sensors have a range up to 200 feet and a 1-year battery life; install them practically anywhere; range can vary depending on your home's construction, wireless interference, and other factors; battery life may vary by use Smart home room sensors can know when a room becomes occupied and automatically adjust the temperature With smart home sensors, your thermostat can know temperature in any room - like your bedroom, to help make the room more comfortable for a great night's sleep, Weight: 0.02 pounds, Manufacturer: Honeywell Home