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eufy Security Entry Sensor

T8900CD4
$49
+ Delivery from $3
buy now, pay laterin 4 payments of $12.25in 4 payments of $12.25
± Click the icons above as terms, conditions & fees apply

This product will be ordered from supplier on purchase. Check availability for a delivery estimate.

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eufy Security Entry Sensor T8900CD4
739850
739822
739838
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eufy Security Entry Sensor T8900CD4
739850
739822
739838
739839
739840
739841
739843
Online Only
INSTANT DEAL

Get $40 off when you spend $300-$399.99 or $60 off when you spend $400+ on a Range of Appliances~~

Use Promo Code PAYDAY in cart.
~~Ends 11:59pm AEST 17/08/2025. Excludes products marked special order, sold out, unavailable, coming soon and shipped by “supplier”, all Pre-orders, Apple, Boost, Belong, Telstra Plans, digital vouchers, gaming credits and streaming services, Gift Cards, Gaming Consoles, Gaming Accessories & VR Headsets, Services, Gold Service Extras, Installation & Delivery. For online purchases, excludes products marked as in store only. You must spend over the eligible amounts on eligible products excluding delivery in a single transaction to use the Code. Code can be used in store, over the phone, via online chat. Code cannot be used on any eBay or commercial orders. Code must be applied in cart to receive the discount for online purchases. For in store and over the phone purchases, discount will be applied at point of sale. Cannot be used in conjunction with any other discount offer. Offer applies to the current ticketed price of relevant products. As prices change regularly and we frequently run sales and negotiate on price, some products are likely to have been sold below the current price prior to this offer. Prices may change after offer ends.

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Product Overview

The eufy Security Entry Sensor is the perfect addition to your home security system. This sensor detects when doors or windows are opened and triggers your HomeBase siren while sending instant notifications to the eufySecurity app. With a long-lasting 2 year battery life and easy wall mounting, you can install this sensor in seconds. The eufy Entry Sensor allows you to monitor multiple entry points in your home, providing round-the-clock protection. Thanks to the 1 year warranty, you can have peace of mind knowing your home is safe and secure. With motion detection capabilities and seamless connectivity, this entry sensor is the ideal way to enhance your eufy security system. Monitor your home day and night while avoiding false alarms with this innovative, smart security device. The manufacturer's part number for this product is T8900CD4. For total home security, add the eufy Entry Sensor to your cart today.

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
INSTANT DEAL

Get $40 off when you spend $300-$399.99 or $60 off when you spend $400+ on a Range of Appliances~~

Use Promo Code PAYDAY in cart.
~~Ends 11:59pm AEST 17/08/2025. Excludes products marked special order, sold out, unavailable, coming soon and shipped by “supplier”, all Pre-orders, Apple, Boost, Belong, Telstra Plans, digital vouchers, gaming credits and streaming services, Gift Cards, Gaming Consoles, Gaming Accessories & VR Headsets, Services, Gold Service Extras, Installation & Delivery. For online purchases, excludes products marked as in store only. You must spend over the eligible amounts on eligible products excluding delivery in a single transaction to use the Code. Code can be used in store, over the phone, via online chat. Code cannot be used on any eBay or commercial orders. Code must be applied in cart to receive the discount for online purchases. For in store and over the phone purchases, discount will be applied at point of sale. Cannot be used in conjunction with any other discount offer. Offer applies to the current ticketed price of relevant products. As prices change regularly and we frequently run sales and negotiate on price, some products are likely to have been sold below the current price prior to this offer. Prices may change after offer ends.

Key Specifications

Brand:
eufy
Model Number:
T8900CD4

Power & Charging

Power:
2 Year battery life

Cameras

Camera Resolution:
No
Motion Detection:
Yes

Mounting

Mounting:
Yes

General Information

Type:
Security Sensor
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

Power & Charging

Power:
2 Year battery life

Mounting

Mounting:
Yes

Warranty

Manufacturer's Warranty:
1 Year

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

eufy Security Entry Sensor T8900CD4

Overall Rating Snapshot

3.2 stars

3.2 out of 5 stars from 5 reviews

80% of users recommend this product

3
0
2
0
  • 5 out of 5

    Does the job

    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.

  • 4 out of 5

    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.

  • 5 out of 5

    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 3 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.

  • 1 out of 5

    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.

  • 1 out of 5

    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 5 of 5 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.

¤Discounts apply to previous ticketed/advertised price prior to the discount offer. As we negotiate, products will likely have been sold below ticketed/advertised price prior to the discount offer.

▽Discount applied to the Agency Supplier’s list price of relevant products.

Store Cash Wallet

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