eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase, Optional 24/7 Protection Service

About this item

• 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.