Specs

     Communication protocol: Z-Wave 500 Plus module
     Frequency: 868.40MHz
     Power supply: 2 AA 3V alkaline batteries
     Battery life: Up to 1.7 years
     Relay: 230V 5A relay terminals, NO / COM / NC
     -10 ° C ~ + 45 ° C operating temperature
     Operating humidity up to 85% (non-condensing)
     Dimensions: 85 (W) x 85 (H) x 32mm