eufy Motion Sensor E20 vs Entry Sensor E20: Which to Choose?
By eufy - Built with Care | Home Security System & Robovacs | Published: 2026-10-30
Category: Comparisons
Deciding between eufy's Motion Sensor E20 and Entry Sensor E20 for your alarm system? This comparison breaks down their key differences, best uses, and trade-offs to help you choose the right sensor.
Quick answer
Choose the eufy Motion Sensor E20 if you need to detect movement in a room or open area, especially with pets. Choose the Entry Sensor E20 if you need to monitor doors and windows for opening or closing.
Detection type determines placement
The Motion Sensor E20 uses passive infrared (PIR) technology to detect movement across a wide area, making it ideal for living rooms, hallways, or garages. The Entry Sensor E20 uses a magnetic contact to detect when a door or window is opened or closed, so it must be mounted on the frame and the moving part.
This fundamental difference means your choice depends entirely on what you want to monitor: open spaces or entry points.
False alarm handling differs
The Motion Sensor E20 includes pet-friendly detection that ignores animals up to 80 lb, which significantly reduces false alarms from pets moving through a room. The Entry Sensor E20 offers a bypass button to temporarily deactivate the sensor, letting you open a door without triggering an alarm while keeping other sensors active.
If you have pets that roam freely, the Motion Sensor E20's pet immunity is a major advantage. If you frequently open monitored doors (e.g., to let in guests), the Entry Sensor's bypass button is more convenient.
Trade-offs at a glance
- Detection coverage: Motion Sensor E20 covers an area (room, hallway); Entry Sensor E20 covers a single point (door/window). Choose motion for open spaces, entry for specific openings.
- False alarm reduction: Motion Sensor E20 ignores pets up to 80 lb; Entry Sensor E20 has a bypass button for temporary deactivation. Pet owners benefit from motion sensor; frequent door openers benefit from entry sensor.
- Installation flexibility: Motion Sensor E20 mounts on walls or corners with simple height setup; Entry Sensor E20 supports left or right-side installation but must be on a door/window frame. Motion sensor is more flexible in placement; entry sensor is restricted to openings.
Product facts at a glance
- eufy Motion Sensor E20（4 Pack): Pet-Friendly Detection to Reduce False Alarms: Differentiates between humans and pets, reducing false alarms for pets up to 80 lb. This feature lets you arm the motion sensor in pet-occupied rooms without worrying about false triggers from your cat or dog.
eufy Motion Sensor E20（4 Pack) - eufy Entry Sensor E20（20 Pack): Convenient Bypass Button: Simply press the bypass button to temporarily deactivate the sensor, allowing you to open the door without triggering an alarm. You can let in a family member or take out the trash without disarming the entire system, keeping other sensors active.
eufy Entry Sensor E20（20 Pack)
Which sensor fits you?
Best for
- Homeowners with pets who want room-level motion detection
- Anyone needing to monitor large open areas like living rooms or garages
Not for
- Monitoring specific doors or windows (choose Entry Sensor E20 instead)
- Scenarios where you need to know exactly which entry point is breached
