Centralite 3-Series Zigbee Temperature/Humidity Sensor - Model 3310 1 x 3V CR2 (included) Battery Life: 2 years (estimated) Trigger A/C to turn on when humidity levels rise. Keep the perfect temperature for the right room. Get alerts when your HVAC system isnt running properly. Track and report temperature and humidity changes throughout the day. - Set events triggered by temperature and humidity changes. Compatible Gateways/Hubs: Works w/ Lowe's IRIS, Staples Connect, SmartThings, PEQ, Time Warner Intelligent Home, Rogers Smart Home and more...