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.
The eufy Entry Sensor 1-Pack is a compact smart security device designed to protect doors and windows by detecting unauthorized entry. When a door or window is opened beyond a small gap, it instantly triggers an alert and activates a loud siren through the eufy HomeBase, helping secure your home against break-ins.
With simple installation, long battery life, and seamless integration into the eufy Security ecosystem, this sensor provides reliable perimeter protection for everyday home security.
Designed specifically for:
Doors
Windows
Detects when an opening exceeds approximately 1.5 inches.
Ideal for securing entry points around the home.
Sends immediate notifications to your smartphone via the eufy Security app.
Triggers a 100-decibel siren through HomeBase when forced entry is detected.
Siren can be disabled if required.
Powered by a single CR-123A battery.
Provides up to 2 years (730 days) of continuous monitoring.
Reduces maintenance and frequent replacements.
Quick setup with adhesive mounting tape.
Can also be secured using included screws.
No complex wiring or tools required.
Small form factor blends with door and window frames.
Designed to be unobtrusive while maintaining security effectiveness.
Works with eufy HomeBase system.
Part of the expandable eufy Security ecosystem.
Enables full home security coverage when combined with other devices.
| Specification | Details |
|---|---|
| Brand | eufy Security |
| Product Type | Entry Sensor |
| Pack Size | 1 Sensor |
| Battery Type | CR-123A Battery |
| Battery Life | Up to 2 Years (730 Days) |
| Detection Trigger | Door/Window open > ~1.5 inches |
| Siren Volume | 100 dB (via HomeBase) |
| Connectivity | eufy HomeBase |
| Installation | Adhesive Tape or Screws |
| App Support | eufy Security App |
| Usage | Indoor Door/Window Monitoring |
1 × Entry Sensor
1 × Magnetic Base
1 × Mounting Screws Set
1 × Instruction Manual
1 × Happy Card
✔ Easy peel-and-stick installation
✔ Strong 100 dB alarm via HomeBase
✔ Long 2-year battery life
✔ Compact and discreet design
✔ Reliable door/window monitoring
✔ Works with eufy Security ecosystem
✔ No wiring required
✘ Requires eufy HomeBase to function
✘ Limited to entry-point detection only
✘ Battery replacement needed after lifespan ends
✘ Not suitable for outdoor exposure
The eufy Entry Sensor is a simple yet highly effective way to secure the entry points of your home. Its fast detection, loud alarm response, and long battery life make it a dependable component of a complete home security system.
When combined with other eufy devices, it helps create a layered security setup that protects your home from unauthorized access.