Easily mount Shelly BLU Door/Window on entry points like front doors, windows, balconies, or garage doors to monitor activity in real time. Stay connected and safeguard your home from anywhere with remote access and instant alerts.
Stay informed with real-time updates whenever unexpected movement is detected. Shelly BLU Door/Window sends immediate notifications to your smartphone via the Shelly Smart Control app, so you're always aware of what's happening - no matter where you are.
Integrate Shelly BLU Door/Window with other Shelly devices to build custom automation scenarios. When linked to a smart relay, the sensor can trigger actions like turning on lights the moment you open the door - creating a seamless, hands-free experience.
Shelly BLU Door/Window helps optimize energy use by detecting when windows are opened or closed. Connected to your smart home system, it can automatically switch off heating or cooling to prevent unnecessary energy loss and lower utility costs.


Qualify for more purchasing power and use it to buy the things your business needs to grow with each approved transaction.
a Behalf Internet Account
Select NET 30 financing OR use extended financing up to 180 days.
Subject to underwriting approval. See Simple Financing Examples. Estimated monthly amount is based on the equivalent of 1% financing fee over a financing period of 6 months. Financing fee typical for business customers with exceptional creditworthiness and is calculated based on purchase amount and does not decline until satisfaction of the transaction. Assignment of purchasing limit occurs at Behalf enrollment. Financing request and approval occurs at the transaction checkpoint. Terms and Conditions subject to change at any time. The discount rate is expressed in a percentage as an example only for comparison purposes.
** Behalf’s Net is an alternative financing option offered by Select merchants and allows the Business Customer to pay no financing fees if the Order Request is satisfied in full and in accordance with terms and conditions within 30 days.
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