ANKER T8503 Eufy Security Retrofit Smart Lock Wireless Door 194644101862 E110 Keypad Keyless

( Brand: Anker ), ( Manufacturer Part Number: T8503 ), ( UPC: 194644101862 ), ( Color: Black ), ( Special Features: Smart Lock, Waterproof, Wi-fi ), ( Type: Lock ), ( Included Components: Lock 2 Screw Caps 4 Adapters 4 Cr123a Batteries 1 ), ( Item Weight: 1.1 Lbs ), ( Item Height: 1.02 Inches ), ( Item Length: 6.5 Inches ), ( Item Width: 2.64 Inches ), ( Product Dimensions: 6.5 X 2.64 X 1.02 Inches )

Review ANKER Eufy Security Retrofit Smart Lock Wireless Keypad Keyless Entry Door

The **Anker T8503 EUFY Security Retrofit Smart Lock E110 Wireless Keypad Keyless Door** represents a seamless blend of cutting-edge security and effortless convenience, designed to transform traditional door locks into a high-tech, keyless entry system without the need for extensive installation. This wireless smart lock is engineered to provide homeowners and businesses with a robust, user-friendly solution that enhances both security and accessibility. Built with a sleek, modern aesthetic, the E110 integrates seamlessly into any door frame, offering a clean, minimalist appearance that complements contemporary interiors while delivering enterprise-grade protection. At its core, the lock features a **highly secure wireless keypad**, allowing users to input a customizable PIN code for entry, eliminating the need for physical keys and reducing the risk of lost or stolen keys. The keypad is equipped with a backlit display for easy visibility in low-light conditions, and its durable, weather-resistant design ensures reliable performance in various environmental settings, from indoor residential spaces to outdoor commercial applications.

What truly sets the E110 apart is its **retrofit capability**, which allows it to be installed on most standard doors without the need for complex wiring or professional electricians. The lock operates via **Bluetooth and Wi-Fi connectivity**, enabling seamless integration with popular smart home ecosystems such as Amazon Alexa, Google Assistant, and Apple HomeKit. This compatibility allows users to control the lock remotely via smartphone apps, receive real-time notifications for access events, and even grant temporary access to guests or service providers through digital keys all while maintaining full control over who enters your space. The system also supports **two-factor authentication**, adding an extra layer of security by requiring a secondary verification step, such as a fingerprint or a second PIN, for enhanced protection against unauthorized access.

Beyond its smart features, the E110 prioritizes **durability and reliability**, constructed from high-quality materials that withstand frequent use and harsh conditions. Its **anti-bump and anti-drill mechanisms** provide physical resistance against common break-in attempts, while the reinforced locking mechanism ensures that the door remains securely latched at all times. The lock s **low-power design** extends battery life significantly, with some models offering up to **one year of continuous use on a single charge**, reducing maintenance hassles and ensuring consistent performance. Additionally, the E110 includes **auto-locking functionality**, which automatically secures the door after a set period, adding an extra layer of convenience and security for users who may forget to lock up manually.

For those seeking advanced security features, the E110 supports **customizable access schedules**, allowing users to restrict entry times for specific individuals or groups, such as children, employees, or delivery personnel. This feature is particularly valuable for businesses or shared living spaces, as it enables precise control over who can access the premises and when. The lock also includes **audible and silent alarm options**, which can be triggered in case of unauthorized attempts, providing an immediate alert to the user or connected security systems. With its **user-friendly app interface**, managing access, monitoring activity, and adjusting settings is straightforward, even for those with limited technical experience.

In summary, the **Anker T8503 EUFY Security Retrofit Smart Lock E110 Wireless Keypad Keyless Door** is a versatile, high-performance solution that bridges the gap between traditional security and modern smart home technology. Whether used in a home, office, or rental property, this lock offers unparalleled convenience, enhanced security, and peace of mind, all while maintaining a simple, plug-and-play installation process. By combining wireless connectivity, advanced encryption, and intuitive controls, the E110 redefines the way we think about door security, making it an indispensable upgrade for anyone looking to future-proof their entryway.

The **Anker T8503 (Eufy Security Retrofit Smart Lock E110 Wireless Keypad Keyless Door Lock)** is a budget-friendly smart lock designed for retrofit installation on existing doors. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Affordable Price**

The E110 is one of the most budget-friendly smart locks on the market, making it accessible for users who want basic smart lock functionality without a high upfront cost. It typically retails for under $100, which is significantly cheaper than many competitors like Yale, Schlage, or August.

2. **Retrofit Compatibility**

Unlike some smart locks that require specialized door hardware, the E110 is designed for retrofit installation. It can be mounted on most standard doors with a deadbolt, eliminating the need for a complete door replacement. This makes it a practical choice for renters or those who cannot modify their door structure.

3. **Wireless Keypad (E110 Model)**

The E110 includes a wireless keypad that communicates with the lock via Bluetooth and Zigbee (depending on the model variant). This allows users to unlock the door without needing a physical key or a smart home hub, though the keypad itself is not battery-powered (it requires a power source, typically a battery or hardwired connection).

4. **Basic Smart Features**

The lock supports voice control via Alexa and Google Assistant, allowing for hands-free unlocking. It also integrates with smart home ecosystems like HomeKit (via a separate hub) and supports IFTTT for automation. While the feature set is limited compared to premium locks, it provides enough functionality for basic smart home needs.

5. **Easy Installation**

The installation process is straightforward for users with basic DIY skills. The lock includes a deadbolt that screws into the existing door, and the keypad can be mounted nearby. Anker/Eufy provides clear instructions and customer support for troubleshooting.

6. **Battery-Powered Deadbolt (Optional)**

Some variants of the E110 (like the E110B) include a battery-powered deadbolt, which can be useful for renters or those who cannot hardwire the lock. This adds convenience but may require occasional battery replacements.

7. **Good for Renters**

Since it does not require permanent modifications to the door frame or hardware, the E110 is ideal for renters who may need to remove the lock when moving out.

8. **Decent Security for the Price**

The lock uses a 128-bit encryption standard and supports multiple user codes, which is reasonable for basic security needs. However, it lacks advanced features like tamper detection or auto-locking that higher-end locks offer.

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### **Cons**

1. **Limited Hardware Features**

The E110 is a basic smart lock with no motorized deadbolt it only replaces the physical keyhole with a keypad. This means it does not offer the convenience of a fully motorized lock (like the August Smart Lock) that can lock/unlock automatically when you approach the door. Users still need to manually turn the deadbolt.

2. **Dependence on Power Source**

The keypad requires a power source (either batteries or hardwiring), which can be inconvenient. If the power source fails, the keypad will not function, leaving you with a traditional deadbolt. Some users may need to hardwire the lock, which adds complexity to installation.

3. **No Built-In Battery Backup**

Unlike some smart locks that include a backup battery for power outages, the E110 relies entirely on its primary power source. If the power fails, the keypad will not work unless you have a separate backup plan (e.g., a physical key).

4. **Weak Build Quality**

The E110 has received mixed reviews regarding its build quality. Some users report that the lock feels flimsy compared to higher-end brands like Schlage or Kwikset. The deadbolt may not align perfectly with the strike plate on all doors, leading to potential security gaps.

5. **Limited Smart Home Integration**

While the E110 supports Alexa and Google Assistant, its integration with HomeKit is limited and requires a separate hub (like the Eufy Security Hub). This adds cost and complexity for users who want full HomeKit compatibility. Additionally, it lacks support for some advanced smart home features like geofencing or detailed activity logs.

6. **No Auto-Locking or Smart Features**

The E110 does not auto-lock the door when you leave or provide features like temporary access codes for guests. This is a significant limitation compared to locks like the August Smart Lock or Yale Assure Lock.

7. **Potential for False Alarms**

Some users have reported that the lock may not always register unlocking attempts correctly, leading to false positives or negatives in the app. This can be frustrating if you rely on the lock for security monitoring.

8. **Customer Support and Reliability Issues**

Anker/Eufy s customer support has been criticized for being slow to respond to issues, and some users have experienced connectivity problems or lock malfunctions. The brand is not as well-established as traditional lock manufacturers, which may affect long-term reliability.

9. **No Physical Key Backup (In Some Cases)**

While the E110 includes a keyhole, some users have reported that the key mechanism is not as secure or reliable as a traditional key lock. In rare cases, the lock may fail to engage properly with the key, leaving the door unlocked.

10. **Limited Customization**

The E110 has a very basic design with few customization options. Users cannot change the finish or style of the lock, and the keypad is not as sleek or modern as those from premium brands.

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### **Conclusion**

The **Eufy Security Retrofit Smart Lock E110** is a solid choice for users who prioritize affordability, retrofit compatibility, and basic smart lock functionality. It is particularly well-suited for renters, budget-conscious buyers, or those who want a simple way to add keyless entry to their home without investing in a high-end lock. However, it falls short in areas like build quality, smart features, and long-term reliability compared to premium alternatives.

If your primary goal is to replace a traditional key lock with a keypad for convenience and basic smart control, the E110 delivers on its core promise. But if you need a motorized deadbolt, advanced security features, or seamless smart home integration, you may want to consider investing in a higher-end lock like the **August Smart Lock Pro, Schlage Encode, or Yale Assure Lock**.

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### **Recommendation**

- You are a renter or cannot modify your door hardware.

- You want a budget-friendly smart lock with basic keyless entry.

- You primarily use Alexa or Google Assistant for smart home control.

- You are okay with a non-motorized deadbolt and limited smart features.

- You need a motorized deadbolt or auto-locking functionality.

- You require advanced smart home integrations (e.g., HomeKit, detailed activity logs).

- You prioritize build quality, durability, and long-term reliability over cost.

- You want a lock with a sleek, premium design or extensive customization options.

- **August Smart Lock Pro** (for motorized deadbolt and seamless integration).

- **Schlage Encode Smart Deadbolt** (for high build quality and HomeKit support).

- **Yale Assure Lock 2** (for a balance of features and reliability).

- **Kwikset SmartCode 916** (for a more robust retrofit option with better smart features).

For most users, the Eufy E110 is a practical but limited solution. If your needs extend beyond basic keyless entry, investing in a mid-to-high-range smart lock may be worth the extra cost for better performance and features.

Details:

Remote Control, Anytime, Anywhere: Unlock Smart Lock anywhere, anytime, right from your phone via the eufy Security app. Auto unlocks when you approach with your iOS device using location defencing. 5 Ways to Unlock: Along with Auto Unlock, you can control your lock remotely via the app, by voice, included wireless keypad, and it still be opened original keys. Color: Black.

The outside doesn change giving access with the original keys which you won't need anymore. Prepaid return label available. Auto Locking and Unlocking: A built-in sensor detects when your door is closed locks it automatically behind you, keeping home secure even you re in a hurry or if hands are full. Features: Smart Lock,Waterproof,Wi-fi.

Ideal for Renters and Landlords: Easily install Retrofit Smart Locks in 10 minutes. They fit over your existing deadbolt on the inside of door.

part #: t8503 prices

• $75.78-$99.99

specifications locsedoo:

• brand: Anker
• mpn: T8503
• upc: 194644101862
• color: Black
• special features: Smart Lock, Waterproof, Wi-fi
• type: Lock
• included components: Lock 2 Screw Caps 4 Adapters 4 Cr123a Batteries 1
• item weight: 1.1 Lbs
• item height: 1.02 Inches
• item length: 6.5 Inches
• item width: 2.64 Inches
• product dimensions: 6.5 X 2.64 X 1.02 Inches

returns locsedoo:

• policy: Returns Accepted
• paid by: Buyer
• time: 14 Days

general locsedoo:

• condition: New
• DIY Materials > doors Door Hardware > Door Locks Lock Mechanisms

payments locsedoo:

• wallet: Google-pay
• credit card: Visa

shipping locsedoo:

seller locsedoo:

• city: Cherry Hill Township
• # reviews: 1197
• rating: 100.0%

offer locsedoo:

• availability: In Stock
• started: February 5, 2026
• quantity: 1
• sold: 0

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