Specs

     Communication protocol: ZigBee Pro Home Automation 1.2
     Frequency: 2.4GHz
     Sensor accuracy: ± 1 ° C
     Power supply: 24V AC
     Maximum output load: 1A at 24V AC per output
     -10 ° C ~ + 45 ° C operating temperature
     Operating humidity up to 85% (non-condensing)
     Dimensions: 107 x 105 x 29.85 mm