specs

     Communication protocol: ZigBee Pro Home Automation 1.2
     Frequency: 2.4GHz
     Receiver sensitivity: -101 dBm
     Power supply: 1 CR123A 3V lithium battery
     Battery life of up to 2 years
     -10 ° C ~ + 45 ° C operating temperature
     Operating relative humidity up to 85% (non-condensing)
     Dimensions: 73.93 x 45.8 x 22 mm