Entry Sensor

eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor-use Only, Requires HomeBase or HomeBase E

  • 2-YEAR BATTERY LIFE: One CR-123A battery provides monitoring for 730 days.
  • FOR DOORS AND WINDOWS: Small and compact design fits onto any door or window frame.
  • 100-DECIBEL SIREN: If a forced entry is detected, a siren as loud as a jackhammer will be triggered on HomeBase, and you’ll be notified instantly on your smartphone.
  • EASY INSTALLATION: Just peel off the mounting tape and stick the sensor onto the door or window you want to monitor.
  • WHAT'S INCLUDED: Entry Sensor, Magnetic Base, Mounting Screws, Instruction Manual, Happy Card.

Color: White

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Entry Sensor
Protect Your Doors and Windows from Break-Ins with eufy Security Entry Sensor. Once a window or door is ajar by 1.5 inch, an alert will be sent to your smartphone, and a 100-decibel siren will go off on the HomeBase (can be disabled).

eufy Security: Less Trouble. More Secure. Ever Expandable.
Surveil your home from front to back for total peace of mind
Created by the same team as Anker—renowned for exceptional quality and innovation



Is there any battery included in package?
Yes, a CR123A Battery is included.
Can I use my own router to pair with eufy Security Entry Sensor?
No, you can only use eufy Security HomeBase to pair with eufy Security Entry Sensor.
Can I use it in outdoor environment?
No, it is designed for indoor use only (Not Weatherproof).
How can I know if I need to change the battery?
There's low battery life notification, which will inform you when the battery level is lower than 10%.


  • Declaration of Conformity