Usage:Window, Home Alarm System Protocol:Z-Wave Battery life:2 Year Push notification:Yes App Alarm:Yes Compatible:300 series and 500 series Main body (L x W x H):70mmx20mmx20mm Deputy body (L x W x H):40mmx11mmx11mm Certificates:CE,FCC,RoHS, Zwaze plus Warranty:1 year Power Supply:CR2x1