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eufy Security Entry Sensor
T8900CD4
$49
+ Delivery from $3
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Online Only
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Product Overview
Key Features
- Security sensor for use with eufy Security HomeBase
- Motion detection with app notifications and Homebase Siren
- 2 year battery life with wall mountable design
Key Specifications
- Brand:
- eufy
- Model Number:
- T8900CD4
- Power:
- 2 Year battery life
Cameras
- Camera Resolution:
- No
- Motion Detection:
- Yes
Mounting
- Mounting:
- Yes
General Information
- Type:
- Security Camera Accessory
- Colour:
- White
- Additional Features:
- For use with eufy Security HomeBase: triggers Homebase Siren, Sends notifications to the eufySecurity App
Warranty
- Manufacturer's Warranty:
- 1 Year
Cameras
- Camera Resolution:
- No
- Motion Detection:
- Yes
General Information
- Type:
- Security Camera Accessory
- Colour:
- White
- Additional Features:
- For use with eufy Security HomeBase: triggers Homebase Siren, Sends notifications to the eufySecurity App
Box Dimensions
- Box Height (mm):
- 141
- Box Width (mm):
- 38
- Box Depth (mm):
- 105
- Box Weight (kg):
- 1
Product Reviews of eufy Security Entry Sensor
Overall Rating Snapshot
2.6 out of 5 stars from 7 reviews
57% of users recommend this product
What customers say, summarised by AI
- Product generally works as advertised and meets expectations.
- Unlimited expansion for windows and doors is a useful feature.
- Undelivered items cause installation and usage delays.
- Refund process and customer service reported as frustratingly slow.
Never received the item
Not revieing the product but Goodguys service. Never received the item and its been a night mare to get a refund on online purchase. been almost a month and item not received or refund not received.
Prasath
Confirmed purchase 24 November 2025
Published on 16 December 2025
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Never received the item
Not revieing the product but Goodguys service. Never received the item and its been a night mare to get a refund on online purchase. been almost a month and item not received or refund not received.
Prasath
Confirmed purchase 24 November 2025
Published on 16 December 2025
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Does the job
Sj
Confirmed purchase 28 June 2025
Published on 22 July 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Effective & efficient
Does the job as advertised.
Krishna
Confirmed purchase 26 December 2024
Published on 2 March 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Add on perfection
No limit to how many windows and doors you can add on. Works a trwat
Billy
Confirmed purchase 20 October 2022
Published on 4 November 2022
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Cannot review until completion of installation
Third sensor not delivered yet. Electrician cannot finish installing until the third sensor arrives.
Gilchrist
Confirmed purchase 20 September 2022
Published on 4 October 2022
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Anonymous
Confirmed purchase 23 November 2021
Published on 25 December 2021
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
You've viewed 7 of 7 reviews
ABOUT THE GOOD GUYS REVIEWS
The Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The eufy Security Entry Sensor is a reliable, easy-to-install accessory for monitoring doors and windows in homes or small offices. It’s ideal for users seeking simple, app-connected entry alerts without complex wiring. The sensor integrates seamlessly with eufy security systems and offers long battery life. Its main limitation is that it requires a compatible eufy HomeBase and does not support advanced automation found in higher-end systems.
What it’s great for
- Entry Monitoring
- Home Security Alerts
- Rental Properties
- Simple Smart Home Setups
Where it works best
- Apartments
- Small Homes
- Offices
- Rental Units
Who it’s for
- Homeowners
- Renters
- Small Business Owners
- Security-Conscious Families
Things to consider
Requires a compatible eufy HomeBase and lacks advanced automation features available in premium smart security systems.
System compatibility assessment
Compatible with eufy HomeBase systems; not compatible with third-party platforms like Google Home or Apple HomeKit.
Ease of installation rating
9/10 — Simple, tool-free setup with adhesive or screws.
Home size suitability
Best for small to medium homes or apartments; multiple sensors recommended for larger properties.
Weather resistance score
6/10 — Designed primarily for indoor use; limited protection against outdoor elements.
Key benefits
- Wireless Design: Installs easily without the need for wiring or drilling.
- App Notifications: Sends instant alerts to your smartphone when entry is detected.
- Long Battery Life: Operates for up to 2 years on a single battery, reducing maintenance.
- Compact Size: Discreetly fits on most doors and windows without being obtrusive.
- Easy Integration: Seamlessly connects with eufy HomeBase for unified security management.
- Tamper Alert: Notifies you if the sensor is removed or tampered with.
- Tool-Free Installation: Mounts with adhesive or screws for flexible placement.
- Low-Battery Warning: Provides timely alerts when the battery needs replacement.
Q: Which power source does the eufy Security Entry Sensor use?
A: The sensor uses a 2-year battery for power.
Q: How does the eufy Security Entry Sensor notify you of an entry?
A: It sends notifications to the eufySecurity app and triggers the HomeBase siren.
Q: What installation options are available for the eufy Security Entry Sensor?
A: It is designed to be wall mountable for easy installation.
Q: Which feature helps prevent false alarms with the eufy Security Entry Sensor?
A: Motion detection capabilities help avoid false alarms.
Q: What warranty does the eufy Security Entry Sensor come with?
A: It includes a 1-year manufacturer's warranty.