Eufy Smart Security Entry Sensor | T89000D4

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).

2-Year Battery Life: One CR-123A battery provides monitoring for 730 days.

For Doors & 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 3 (sold separately), 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.

Centralised Security: Manage your entire security ecosystem from one central location with HomeBase 3 (sold separately).

Designed for eufy Home Security Systems

The Eufy Smart Security Entry Sensor is designed to work as part of a wider eufy home security system. It monitors doors and windows and sends instant alerts when an entry point is opened, helping protect your home from unauthorised access.

This sensor connects to a compatible Eufy HomeBase 3 (sold separately), allowing alerts, alarms, and device status to be managed centrally through the eufy Security app.

Commonly Used With

• Eufy 5‑Piece Home Alarm Kit
• Eufy 11‑Piece Home Alarm Kit
• Eufy Motion Sensor
• Eufy Water & Freeze Sensor

This entry sensor can also be combined with compatible eufy cameras and security systems, such as the eufy SoloCam S220 (2‑Cam Pack with HomeBase 3) , to create a complete and expandable home security setup.

Explore the full range of compatible systems and accessories in our eufy security collection .