Specs

     Communication protocol: ZigBee Pro Home Automation 1.2
     Frequency: 2.4GHz
     Power supply: 2 1.5V lithium batteries
     Battery life of up to 3 years
     -10 ° C ~ + 45 ° C operating temperature
     Operating humidity up to 85% (non-condensing)
     Dimensions: 84 x 128 x 62 mm