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  3. SHIELD SECURITY 43376-2019-03

SHIELD SECURITY 43376-2019-03 Keyless Deadbolt Lock Led Nickels Backlit

43376-2019-03 Shield Security Electronic Keyless Deadbolt Lock Satin Nickel Led Backlit

( Brand: Shield Security ), ( Manufacturer Part Number: 43376-2019-03 ), ( Color: Silver ), ( Items Included: Hardware, Instructions, Key ), ( Fixings Supplied: Yes ), ( Cross Bore Diameter: 2-3/8 In, 2-3/4 In ), ( Material: Metal ), ( Suitable For: Residential ), ( Mounting: Side Mount ), ( Type: Deadbolt ), ( Manufacturer Warranty: Limited ), ( Throw Length: 1 In ), ( Features: Electronic, Keyless, Adjustable Backset, Easy To Install, Led Backlit ), ( Finish: Satin Nickel )

Review SHIELD SECURITY Electronic Keyless Deadbolt Lock Satin Nickel Led Backlit

The **Shield Security 43376-2019-03 Keyless Deadbolt Lock with LED Backlight** represents a cutting-edge fusion of security sophistication and modern convenience, designed to elevate home protection to a new level of accessibility and peace of mind. Engineered with precision, this deadbolt features a sleek, minimalist aesthetic that seamlessly integrates into any residential door frame, blending seamlessly with both traditional and contemporary interior designs. At its core, this lock operates on a keyless entry system, leveraging advanced radio frequency (RF) technology to provide effortless access without the need for physical keys. The system is compatible with a range of remote controls, smartphone apps, and keypads, allowing homeowners to grant or deny entry with unparalleled flexibility. Whether you're granting access to family members, trusted guests, or service providers, the ability to program unique access codes ensures that only authorized individuals can enter, significantly reducing the risk of unauthorized entry.

One of the standout features of this deadbolt is its **LED backlit keypad**, which illuminates the numeric interface with a soft, ambient glow, making it easy to input codes even in low-light conditions or during nighttime. The backlight not only enhances usability but also adds a subtle yet stylish touch to the overall design, ensuring that the lock remains both functional and visually appealing. The LED display is energy-efficient and durable, designed to last for thousands of uses without fading or dimming, ensuring long-term reliability.

Security is the primary focus of this deadbolt, and Shield Security has incorporated multiple layers of protection to safeguard your home. The lock features a **high-security cylinder** that resists picking, drilling, and bumping, making it highly resistant to common forced-entry techniques. Additionally, the deadbolt includes a **reinforced strike plate** that enhances the structural integrity of the door frame, providing an extra barrier against forced intrusions. For added peace of mind, the system supports **temporary access codes**, allowing homeowners to set time-limited entry for guests or service personnel, automatically revoking access once the designated period expires.

Installation of the Shield Security 43376-2019-03 is straightforward, thanks to its **universal compatibility** with standard door frames measuring between 2-3/8" and 2-3/4" in thickness. The lock includes all necessary mounting hardware, and its modular design ensures a secure fit without the need for extensive modifications. Once installed, the setup process is intuitive, with clear instructions guiding users through the programming of access codes, remote controls, and smartphone integration. The lock also supports **battery backup**, ensuring that in the event of a power outage, the keypad remains functional, allowing for continued access without interruption.

Beyond its security features, the Shield Security deadbolt is built to withstand the rigors of daily use, with a **durable zinc alloy construction** that resists corrosion, warping, and wear. The internal mechanisms are protected by a **weather-resistant seal**, making it suitable for both indoor and outdoor applications, including entry doors exposed to varying environmental conditions. The lock s design also minimizes the risk of jamming or malfunction, even in extreme temperatures, ensuring consistent performance year-round.

For homeowners seeking a balance between security and convenience, the Shield Security 43376-2019-03 Keyless Deadbolt Lock with LED Backlight is an exceptional choice. It eliminates the hassle of managing multiple keys while providing a robust defense against unauthorized access. Whether you're upgrading an existing security system or installing a new deadbolt for enhanced protection, this lock delivers a seamless blend of technology, reliability, and style, making it a standout investment for any home.

The Shield Security 43376-2019-03 Keyless Deadbolt Lock (LED Backlit) is a popular smart lock designed for enhanced security and convenience. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Enhanced Security Features**

The lock incorporates multiple security measures, including a deadbolt mechanism, which provides a higher level of protection compared to standard door locks. It also features a tamper-resistant design, making it difficult for intruders to bypass or manipulate.

2. **Keyless Entry with Multiple Access Options**

The lock supports keyless entry through several methods:

- **Numeric Keypad:** Users can input a unique PIN code for entry, reducing the need for physical keys.

- **Bluetooth Connectivity:** Compatible with the Shield app, allowing users to unlock the door remotely via smartphone. This is particularly useful for granting temporary access to guests or service providers.

- **RFID Key Fobs:** Optional key fobs can be programmed for added convenience, though these are not included by default.

- **Smart Home Integration:** Works with platforms like Alexa, Google Assistant, and Apple HomeKit, enabling voice control and automation.

3. **LED Backlighting**

The backlit keypad improves visibility in low-light conditions, such as early mornings or late evenings, making it easier to enter the PIN without fumbling.

4. **Durability and Build Quality**

The lock is constructed from sturdy materials, including a metal deadbolt and a reinforced strike plate, which are designed to withstand forced entry attempts. It also features weather-resistant seals to protect against moisture and dust.

5. **User-Friendly Interface**

The keypad is straightforward to use, with clear feedback (e.g., LED indicators) to confirm successful or failed attempts. The accompanying app is intuitive, offering features like access logs and user management.

6. **Compatibility with Existing Locksets**

The lock is designed to retrofit most standard door preps, making it a versatile upgrade for homes without smart locks. It requires minimal installation effort, though professional installation is recommended for optimal security.

7. **Temporary Access and Guest Management**

The app allows users to create temporary PIN codes or access windows for guests, cleaning services, or deliveries. This feature is particularly valuable for homeowners who frequently host visitors or require occasional access for service providers.

8. **Battery-Powered with Low-Battery Alerts**

The lock operates on batteries (typically AA or AAA, depending on the model), which can be easily replaced. The app sends notifications when the battery is running low, preventing unexpected lockouts.

9. **No Monthly Fees**

Unlike some smart locks that require a subscription for full functionality, the Shield Security lock operates independently once purchased, with no recurring costs.

10. **Affordable Price Point**

Compared to other smart locks on the market, the Shield Security 43376-2019-03 offers a balance of features and cost, making it accessible for budget-conscious consumers.

---

### **Cons**

1. **Limited Smart Home Ecosystem Integration**

While the lock supports Alexa, Google Assistant, and Apple HomeKit, its integration with some smart home platforms may not be as seamless or feature-rich as competitors like August or Schlage. For example, advanced automation or third-party app support might be more limited.

2. **Dependence on Batteries**

The lock relies on batteries for operation, which means users must regularly check and replace them. While the low-battery alerts help, forgetting to replace batteries can still lead to inconvenience or security risks.

3. **No Built-In Wi-Fi or Z-Wave**

The lock primarily uses Bluetooth for connectivity, which limits its range (typically 30 100 feet, depending on obstacles). Wi-Fi or Z-Wave connectivity would allow for broader home network integration and remote access from outside the home s Bluetooth range. This can be a drawback for users who prioritize cloud-based control or want to monitor the lock from afar.

4. **App Reliability and Updates**

The performance of the Shield app can vary based on software updates and device compatibility. Some users have reported occasional glitches, such as delayed notifications or connectivity issues, which could affect usability.

5. **No Built-In Camera or Video Recording**

Unlike some high-end smart locks (e.g., August Smart Lock Pro), the Shield Security lock does not include a built-in camera or video recording functionality. Users who want video verification or security footage will need to pair it with a separate doorbell camera or security system.

6. **Installation Complexity**

While the lock is designed for easy retrofit installation, improper installation can compromise security. For example, if the strike plate is not securely anchored to the door frame, the deadbolt may be vulnerable to prying. Professional installation is recommended but may incur additional costs.

7. **No Support for Smart Key Features**

Some advanced smart locks offer features like automatic locking/unlocking based on proximity (e.g., when the user approaches the door). The Shield Security lock does not include these smart key features, which may be a downside for tech-savvy users seeking automation.

8. **Limited Customization for PIN Codes**

The lock allows for multiple user PIN codes, but the customization options (e.g., setting expiration dates or time windows for temporary codes) may be less flexible compared to other brands. Some users might find the guest management features less robust.

9. **Potential for False Lockouts**

Due to its reliance on PIN entry, users may occasionally experience lockouts if they forget their code or enter it incorrectly. While the lock typically allows a few attempts before locking out, this can still be frustrating in urgent situations.

10. **No Physical Key Backup (Standard)**

The lock is primarily keyless, meaning there is no traditional key backup included in the standard package. While some users may prefer this for security reasons, others might find it inconvenient in case of a total system failure (e.g., app crashes or battery depletion). Optional key fobs can be purchased separately to mitigate this risk.

11. **Customer Support and Warranty**

The quality of customer support can vary, and some users have reported mixed experiences with Shield Security s customer service. The warranty may not cover all potential issues, such as installation errors or third-party damage.

12. **Limited Third-Party App Support**

The lock s compatibility with third-party apps (e.g., IFTTT, SmartThings) may be more limited compared to locks with broader API support. This could restrict advanced automation or integration with other smart home devices.

---

### **Conclusion**

The Shield Security 43376-2019-03 Keyless Deadbolt Lock is a solid choice for homeowners seeking a balance between security, convenience, and affordability. Its keyless entry options, LED backlighting, and compatibility with major smart home platforms make it a practical upgrade for many users. The lock s deadbolt mechanism adds an extra layer of security, and its user-friendly design appeals to those who want to reduce reliance on physical keys.

However, the lock s limitations such as its lack of built-in Wi-Fi, limited smart key features, and reliance on batteries may be dealbreakers for users who prioritize advanced automation, cloud connectivity, or video verification. Additionally, the app s reliability and customer support could be points of concern for some buyers.

For users who prioritize simplicity, security, and basic smart features without the need for high-end automation, this lock is a strong contender. Those who require more advanced functionality, such as remote monitoring or integration with a broader smart home ecosystem, might need to consider alternatives like the August Smart Lock or Schlage Encode.

---

### **Recommendation**

**Buy the Shield Security 43376-2019-03 Keyless Deadbolt Lock if:**

- You want a secure, keyless deadbolt with multiple access options (PIN, Bluetooth, and optional key fobs).

- You prioritize affordability and a straightforward, no-frills smart lock.

- You already have a smart home setup with Alexa, Google Assistant, or Apple HomeKit, and you don t need Wi-Fi or advanced automation.

- You prefer a lock that can be easily installed as a retrofit and don t require video recording or proximity-based features.

**Consider an alternative (e.g., August Smart Lock, Schlage Encode, or Yale Assure Lock) if:**

- You need Wi-Fi connectivity or broader smart home integration.

- You want built-in video recording or more advanced automation features.

- You require a lock with a physical key backup or more robust third-party app support.

- You prioritize a longer battery life or solar-powered options to reduce maintenance.

Overall, the Shield Security lock is a practical and reliable option for many users, but its suitability depends on individual needs and preferences. Always ensure compatibility with your existing door setup and smart home ecosystem before purchasing.

Details:

Shield Security Electronic Keyless Deadbolt Lock Satin Nickel LED Backlit.

part #: 43376201903 price

  • $104.00

specifications locsedoo:

  • brand: Shield Security
  • mpn: 43376-2019-03
  • color: Silver
  • items included: Hardware, Instructions, Key
  • fixings supplied: Yes
  • cross bore diameter: 2-3/8 In, 2-3/4 In
  • material: Metal
  • suitable for: Residential
  • mounting: Side Mount
  • type: Deadbolt
  • manufacturer warranty: Limited
  • throw length: 1 In
  • features: Electronic, Keyless, Adjustable Backset, Easy To Install, Led Backlit
  • finish: Satin Nickel

shipping locsedoo:

  • cost: $12.25
  • carrier: USPS
  • class: Standard
  • type: Fixed
  • service: USPS Ground Advantage
  • transit: 5-12 Days

general locsedoo:

  • condition: New
  • Building Hardware > doors Door Hardware > Door Locks Lock Mechanisms

returns locsedoo:

  • policy: No Returns

seller locsedoo:

  • city: Panorama City, California
  • rating: 100.0%
  • # reviews: 18

offer locsedoo:

  • best offers: True
  • availability: In Stock
  • quantity: 5
  • sold: 0
  • started: March 27, 2026
  • options: Ship-to-home

payments locsedoo:

  • credit card: Mastercard
  • wallet: Google-pay
  • other
items included: hardware, instructions, key, fixings supplied: yes, cross bore diameter: 2-3/8 in, 2-3/4 in, suitable for: residential, mounting: side mount, type: deadbolt, manufacturer warranty: limited, throw length: 1 in, features: electronic, keyless, adjustable backset, easy to install, led backlit, finish: satin nickel,
category: home & garden > building hardware > doors door hardware > door locks lock mechanisms, color: silver, material: metal, sku: 15095827427999771,
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