2-year Battery Life: One battery provides 800 days of monitoring.
For Doors And Windows: Compact and versatile design fits onto any door or window frame. Requires eufy Security HomeBase.
100-decibel Siren: Enable or disable siren protection, which triggers a 100-decibel siren on HomeBase, and sends an alert to your smartphone when forced entry is detected.
Optional 24/7 Protection Service: New optional 24/7 professional monitoring service is now available for 24/7 emergency police, fire and medical response when your alarm system is triggered.
What's Included: Entry Sensor, CR123A Battery, Magnet, 3 x Mounting Screws, Owner's Manual, Happy Card.

Shipping is complimentary within the lower 48 US States.

We Do Not Ship to PO/APO Boxes, HI or Alaska
We Do Not Ship Outside of the Continental US
All items ship within 24-72 hours of Payment
For large items that require Freight shipping a valid phone number is required to call and schedule your delivery

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If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns.
We PROMISE we can make you happy if you give us a fair chance.

All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged
Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority!
All items are IN STOCK at time of listing.
Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items.
Please do not penalize us if we have to issue you a refund!

Thank You For Your Business!