Noorio Contact Sensor Alarm for Door and Window Outdoor Chime 2-Year Battery Ope XR11435

Instant Alerts: Be alerted too your app in seconds whenever door or window opens unexpectedly, while it also works as a traditional chime.
Alarm Protection: Activate the siren on hub to scare away intruders if break-in happens.
Home Automation: Automatically activate other Noorio devices connected with hub as the door or window opens.
2-year Battery Life: Battery lasts for 2 years for one single charge.
Note: An Noorio Hub is required to work correctly. This device will NOT function as an individual or standalone product.