Specifications

     RF frequency: 868MHz
     Power supply: 3V CR123 lithium battery
     Battery life of up to 8 years
     IPX5 water resistant
     -10 ° C ~ + 50 ° C operating temperature
     Relative humidity up to 85% (non-condensing)
     Dimensions: 45.8 (W) x 79.9 (H) x 22mm