As an Amazon Associate we earn from qualifying purchases.
- Best overall: Eufy Security Entry Sensor (2-Pack)
- Best budget: Eufy Security Entry Sensor (Single Sensor)
- Best premium: Eufy Security 5-Piece Home Alarm Kit (HomeBase 2)
- Best for room-wide motion coverage: Eufy Security Motion Sensor (2-Pack)
- Eufy Security Entry Sensor is designed to detect when a door or window opens; Eufy Security Motion Sensor detects movement in a room.
- Choose an entry sensor to monitor a specific opening and a motion sensor to cover a shared indoor area.
- Both sensors need a compatible Eufy security hub to join an alarm setup; check compatibility before adding one to an existing system.
- Sensor multipacks and alarm kits suit different needs: count the openings or rooms you want covered before choosing.
- Black Friday 2026 shoppers should compare the full package contents, compatibility, and coverage—not just the sensor name.
Eufy entry sensors and motion sensors solve different home-security problems: an entry sensor reports when a monitored door or window opens, while a motion sensor detects movement across an indoor area. For Black Friday 2026, I researched and compared specs, reviews and owner feedback to explain which sensor fits each job, what to check before adding one, and when an alarm kit makes more sense than a standalone accessory.
The quick answer: choose the Eufy Security Entry Sensor for a particular door or window, and choose the Eufy Security Motion Sensor for room-level movement coverage. Neither replaces the other. Your best choice depends on the area you want to monitor, your existing Eufy hub, and how many openings or rooms you need to cover. Below, the product picks distinguish single sensors, multipacks, and supporting alarm hardware.
How We Picked
- Compared each device’s core detection job: opening or closing a door or window versus movement in an indoor area.
- Prioritized compatibility details, since Eufy sensors need a suitable hub and the right ecosystem connection to join an alarm setup.
- Considered practical coverage needs, including the number of openings, rooms, and sensors a shopper wants to monitor.
- Included multipacks and alarm-system components as options for shoppers expanding a setup rather than buying a single sensor.
- Used product specifications and owner feedback to explain trade-offs without presenting personal detailed claims.
Comparison Table
| Product | Best for | Pack size | Detection | Standout coverage |
|---|---|---|---|---|
| Eufy Security Entry Sensor (Single Sensor) | One door or window | 1 sensor | Opening alert | One opening |
| Eufy Security Entry Sensor (2-Pack) | Two doors or windows | 2 sensors | Opening alert | Two openings |
| Eufy Security Entry Sensor (4-Pack) | Several doors or windows | 4 sensors | Opening alert | Four openings |
| Eufy Security Motion Sensor (Single Sensor) | One indoor area | 1 sensor | Movement detection | 100-degree field; up to 30 feet |
| Eufy Security Motion Sensor (2-Pack) | Two indoor areas | 2 sensors | Movement detection | 100-degree field; up to 30 feet per sensor |
| Eufy Security 5-Piece Home Alarm Kit (HomeBase 2) | Starting a Eufy alarm setup | 5 pieces | Alarm kit | HomeBase 2 included |
| Eufy Security HomeBase 2 | A compatible Eufy system needing a hub | 1 hub | System connection | 16 GB local storage |
Best Picks Reviewed
#1
Eufy Security Entry Sensor (Single Sensor)
The Eufy Security Entry Sensor (Single Sensor) is the best opening monitor for shoppers who want to track one door or window, with 1 sensor for a single monitored opening.
Best for: One door or window
- Pack size
- 1 sensor
- Detection
- Door or window opening
- Connection
- Compatible Eufy security hub required
- Targets a specific opening instead of an entire room.
- Straightforward choice for adding coverage one entry point at a time.
- Pairs naturally with a compatible Eufy alarm setup.
- Does not provide room-wide motion detection.
Is the Eufy Security Entry Sensor (Single Sensor) worth buying on Black Friday 2026?
The Eufy Security Entry Sensor (Single Sensor) is a practical pick for monitoring one door or window. Choose it when opening alerts matter more than room coverage, and confirm that your existing Eufy hub supports the sensor.
See today’s Black Friday price on Amazon
#2 · Top pick
Eufy Security Entry Sensor (2-Pack)
The Eufy Security Entry Sensor (2-Pack) is the best opening-monitoring set for households covering two doors or windows, with 2 sensors in one package.
Best for: Two doors or windows
- Pack size
- 2 sensors
- Detection
- Door or window opening
- Connection
- Compatible Eufy security hub required
- Covers two separate openings.
- Useful for a front door and a frequently used window.
- Keeps sensor type consistent across monitored openings.
- Does not detect movement across a room.
Is the Eufy Security Entry Sensor (2-Pack) a good Black Friday 2026 buy?
The Eufy Security Entry Sensor (2-Pack) suits homes that want alerts from two separate openings. The two-sensor format is more practical than a single unit when you already know which doors or windows need monitoring.
See today’s Black Friday price on Amazon
#3
Eufy Security Entry Sensor (4-Pack)
The Eufy Security Entry Sensor (4-Pack) is the best opening-monitoring option for shoppers covering several access points, with 4 sensors for a broader door-and-window setup.
Best for: Multiple doors and windows
- Pack size
- 4 sensors
- Detection
- Door or window opening
- Connection
- Compatible Eufy security hub required
- Supports coverage for several openings.
- Useful when setting up multiple rooms at once.
- Makes it simple to use the same sensor type throughout a home.
- A four-sensor pack is unnecessary for shoppers monitoring just one opening.
Should I choose the Eufy Security Entry Sensor (4-Pack) on Black Friday 2026?
The Eufy Security Entry Sensor (4-Pack) is a suitable choice for homes with several doors or windows to monitor. Map your intended openings first, then check that your compatible Eufy hub can support the complete setup.
See today’s Black Friday price on Amazon
#4
Eufy Security Motion Sensor (Single Sensor)
The Eufy Security Motion Sensor (Single Sensor) is the best room-movement pick for shoppers who want indoor coverage, with a 100-degree detection field.
Best for: One indoor area
- Pack size
- 1 sensor
- Detection field
- 100 degrees
- Detection range
- Up to 30 feet
- Connection
- Compatible Eufy security hub required
- Covers movement across an indoor area rather than one opening.
- A 100-degree field helps monitor a room from a suitable position.
- Adds another kind of detection to an entry-sensor setup.
- Does not report whether a particular door or window opened.
Is the Eufy Security Motion Sensor (Single Sensor) worth buying on Black Friday 2026?
The Eufy Security Motion Sensor (Single Sensor) is a strong fit for monitoring movement in one indoor area. The Eufy Security Motion Sensor (Single Sensor)'s 100-degree detection field suits a room-focused setup, while an entry sensor remains the better choice for a specific opening.
See today’s Black Friday price on Amazon
#5
Eufy Security Motion Sensor (2-Pack)
The Eufy Security Motion Sensor (2-Pack) is the best motion-coverage set for shoppers monitoring two indoor areas, with 2 sensors to place in separate rooms.
Best for: Two indoor areas
- Pack size
- 2 sensors
- Detection field
- 100 degrees per sensor
- Detection range
- Up to 30 feet per sensor
- Connection
- Compatible Eufy security hub required
- Covers two locations with movement detection.
- Useful for separate rooms or areas of a home.
- Pairs well with entry sensors for layered detection.
- Does not replace opening alerts on doors or windows.
Is the Eufy Security Motion Sensor (2-Pack) a smart Black Friday 2026 pick?
The Eufy Security Motion Sensor (2-Pack) makes sense when movement monitoring is needed in two indoor areas. Each sensor has a 100-degree detection field, so placement and the room layout matter when planning coverage.
See today’s Black Friday price on Amazon
#6
Eufy Security 5-Piece Home Alarm Kit (HomeBase 2)
The Eufy Security 5-Piece Home Alarm Kit (HomeBase 2) is the best starter bundle for shoppers building an alarm system, with 5 pieces in one coordinated package.
Best for: Starting a Eufy alarm setup
- Package size
- 5 pieces
- Hub
- HomeBase 2
- System type
- Home alarm kit
- Bundles a hub and alarm components in one purchase.
- A convenient starting point for shoppers without a compatible hub.
- Lets shoppers build a system around more than one sensor type.
- The bundled component mix can not match every home’s coverage plan.
Is the Eufy Security 5-Piece Home Alarm Kit (HomeBase 2) worth buying on Black Friday 2026?
The Eufy Security 5-Piece Home Alarm Kit (HomeBase 2) is a convenient starting point when you need a hub and alarm components together. Review the package contents and compatibility details to make sure the included sensors suit your home.
See today’s Black Friday price on Amazon
#7
Eufy Security HomeBase 2
The Eufy Security HomeBase 2 is the best supporting hub for shoppers expanding a compatible Eufy alarm setup, with 16 GB of built-in local storage.
Best for: A compatible Eufy system needing a hub
- Built-in storage
- 16 GB
- Network
- 2.4 GHz Wi-Fi
- Role
- Eufy security system hub
- Provides the hub connection for compatible Eufy devices.
- Includes 16 GB of local storage.
- Useful to consider when a sensor purchase needs a system hub.
- Check the exact sensor and system compatibility before purchasing.
Is the Eufy Security HomeBase 2 worth buying on Black Friday 2026?
The Eufy Security HomeBase 2 is worth considering when a compatible Eufy sensor setup needs a hub. The Eufy Security HomeBase 2's 16 GB of built-in local storage is a notable feature, but shoppers should confirm compatibility with every device they plan to connect.
See today’s Black Friday price on Amazon
Which is better: the Eufy entry sensor or motion sensor?
The Eufy Security Entry Sensor is better for monitoring a specific opening, while the Eufy Security Motion Sensor is better for tracking movement across an indoor area; the sensors do different jobs. An entry sensor alerts when its paired door or window opens. A motion sensor detects movement within its coverage area, listed as a 100-degree field and up to 30 feet.
For a front door, accessible window, or cabinet opening, pick an entry sensor. For a hallway or room where movement matters more than the status of one opening, pick a motion sensor. Homes with broader security needs can use both types, provided the sensors are compatible with the Eufy hub in the system. Black Friday 2026 shoppers should decide what event they want to know about before comparing packs.
What does the Eufy Security Entry Sensor detect?
The Eufy Security Entry Sensor detects when a monitored door or window opens, covering 1 specific opening per sensor. The sensor is designed to report an opening event, making it a focused choice for entry points rather than a room-wide detector.
Count the doors and windows that matter most before choosing a single unit or multipack. A front door and a ground-floor window are common starting points, but your layout and routines should guide placement. An entry sensor does not tell you that someone moved across a room without opening the monitored opening. For movement coverage, add a compatible motion sensor. For any Eufy sensor, verify hub compatibility and package contents before completing a Black Friday 2026 purchase.
How much area does the Eufy Security Motion Sensor cover?
The Eufy Security Motion Sensor lists a 100-degree detection field and a range of up to 30 feet, making it suited to movement monitoring in an indoor area. Actual coverage depends on the room, mounting position, and obstacles between the sensor and the area being monitored.
Choose a position that faces the space you want to cover, and consider separate sensors for rooms with distinct entrances or layouts. A motion sensor is not a substitute for an entry sensor: it reports movement, not the opening status of a particular window or door. If your alarm plan calls for both room and opening alerts, compare the sensor types as a combined system and confirm both work with your hub.
Do Eufy entry and motion sensors need a hub?
Eufy Security Entry Sensors and Eufy Security Motion Sensors need a compatible Eufy security hub to join a coordinated alarm setup. The Eufy Security HomeBase 2 is one hub option, and the Eufy Security 5-Piece Home Alarm Kit (HomeBase 2) bundles a hub with alarm components.
Before buying an individual sensor, identify the hub already in your home and check the manufacturer’s compatibility information for that exact model. A sensor pack does not automatically include a hub, so read the listed box contents carefully. Shoppers starting from scratch should compare the complete alarm kit with the cost and contents of assembling a system from separate components, while existing Eufy owners should avoid buying a second hub unless their setup calls for one.
Are Eufy sensors good Black Friday 2026 smart-home buys?
Eufy entry and motion sensors are useful Black Friday 2026 smart-home buys when their detection type, pack size, and hub compatibility match your plan. The Eufy Security Entry Sensor handles opening alerts, while the Eufy Security Motion Sensor adds room-level movement detection.
A sensible shopping order is to list the openings or rooms you want covered, check the hub, and then select a single sensor, multipack, or alarm kit. A bigger package is not automatically a better fit if it includes more units than your home needs. Compare product names and package contents closely, since sensor-only listings and system bundles serve different shoppers. The best bet is the smallest complete setup that covers the areas you care about.
Buying Guide
Start with the event you want to detect
Choose an Eufy entry sensor for an opening alert from a door or window. Choose an Eufy motion sensor for movement across an indoor area. Use both types when your plan needs both kinds of information.
Count openings and rooms before choosing a pack
A single entry sensor covers one opening; multipacks are useful when several doors or windows need monitoring. Motion sensor packs suit separate indoor areas. Map the intended locations first to avoid buying extras.
Confirm hub compatibility
Check the exact Eufy hub and sensor models before purchasing. The Eufy Security HomeBase 2 is one hub option, but compatibility details matter for existing setups and each package.
Compare a sensor pack with an alarm kit
A standalone sensor is most useful when you already have a compatible system. A bundle such as the Eufy Security 5-Piece Home Alarm Kit (HomeBase 2) is designed for shoppers building a coordinated setup.
Read the full package contents
Check how many sensors are included, whether a hub is part of the listing, and which sensor type comes in the box. Similar product names can describe very different shopping needs.
FAQ
What is the difference between a Eufy entry sensor and a Eufy motion sensor?
The Eufy Security Entry Sensor reports when a monitored door or window opens. The Eufy Security Motion Sensor detects movement in an indoor area, with a listed 100-degree field and range up to 30 feet. Choose based on the event you want to detect.
Can a Eufy motion sensor replace an entry sensor?
No. The Eufy Security Motion Sensor detects movement, while the Eufy Security Entry Sensor reports the opening of its paired door or window. A motion sensor does not provide the same opening-status alert for a specific entry point.
Can I use Eufy entry and motion sensors together?
Yes, Eufy entry and motion sensors can serve complementary roles in a compatible alarm setup: entry sensors monitor openings, and motion sensors monitor indoor movement. Confirm that both sensor models work with the Eufy hub in your system before buying.
Do Eufy sensors work without HomeBase 2?
Eufy sensor compatibility depends on the exact sensor and security system. HomeBase 2 is one hub option, but check the current compatibility information for your specific devices rather than assuming every Eufy sensor works with every hub.
How many Eufy entry sensors do I need?
Plan on one Eufy Security Entry Sensor for each door or window you want to monitor. Count your priority openings first, then choose a single sensor or a multipack that covers those locations without adding units you do not need.
Is a Eufy alarm kit better than buying sensors separately?
The Eufy Security 5-Piece Home Alarm Kit (HomeBase 2) suits shoppers who need a hub and alarm components together. Buying sensors separately is a better fit when you already own a compatible hub or need to cover just a few specific locations.