![Amazon.com : 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 : Electronics Amazon.com : 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 : Electronics](https://m.media-amazon.com/images/I/5161rwtCsHL._AC_UF894,1000_QL80_.jpg)
Amazon.com : 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 : Electronics
![Amazon.com : eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase, HomeBase E, or HomeBase 2 (Renewed) : Electronics Amazon.com : eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase, HomeBase E, or HomeBase 2 (Renewed) : Electronics](https://m.media-amazon.com/images/I/51gtpxtJVDL._AC_UF894,1000_QL80_.jpg)
Amazon.com : eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase, HomeBase E, or HomeBase 2 (Renewed) : Electronics
![Amazon.com : eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase, HomeBase E, or HomeBase 2 (Renewed) : Electronics Amazon.com : eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase, HomeBase E, or HomeBase 2 (Renewed) : Electronics](https://m.media-amazon.com/images/I/61-dY-DoOrL._AC_UF894,1000_QL80_.jpg)
Amazon.com : eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase, HomeBase E, or HomeBase 2 (Renewed) : Electronics
![Free Entry Sensor (Utah) - Won this but apparently you need the homebase to use it. Anyone around SLC who wants it? : r/EufyCam Free Entry Sensor (Utah) - Won this but apparently you need the homebase to use it. Anyone around SLC who wants it? : r/EufyCam](https://i.redd.it/7a0wzqsx3uw41.jpg)