Energenie mi home wireless doorwindow open sensor
Product description this product requires the mihome gateway to work the open sensors can be mounted using either the included screws or double sided adhesive suitable uses include doors windows cupboards fridges garage doors cabinets and drawers ndash anywhere there are two elements which open and close creating a gap between surfaces the sensor is powered by a single aaa battery included which will last for eighteen months assuming 24 activations per day longer if th