BTRtec

Before purchasing, we strongly recommend reviewing our “Before You Buy” guide to check or upload clear photos of your door

Our installation team will confirm compatibility for you before you place the order, helping avoid installation issues.

Our smart locks are designed to fit over 99% of residential entry doors in the United States and Canada, including most standard entry doors used in houses, townhomes, and condos.

To make sure your door is compatible, you can:

Use the Before You Buy self-check on our website.

Yes. All of our products include professional installation and one year of after-sales support in the listed price.

We only sell our smart locks in regions where professional installation service is available, ensuring that every lock is installed correctly, safely, and optimized for long-term use.

Yes — as long as the lock has not been installed and remains in resalable condition, you may return it according to our return policy.

However, once the lock has been installed, returns are not accepted unless there is a confirmed product quality issue.

This policy helps ensure fairness while maintaining product safety and quality for all customers.

Depending on the model, supported methods may include:

• Fingerprint
• Vein recognition
• PIN code
  
• Physical mechanical key
  
• Mobile App (Bluetooth / Wi-Fi*)
  
• Temporary or one-time access codes
  
• 3D facial recognition

All biometric data (such as fingerprints, vein patterns, or facial data) is processed, encrypted, and stored locally on the lock’s secure chip.

❌ Not uploaded to third-party servers

❌ Not stored in the cloud

✅ Processed and encrypted on the device itself

This on-device approach ensures faster response times and stronger privacy protection, giving you full control over your personal data.

For models with a smart peephole or doorbell feature (such as S6 Max and V5 Vision):

• Video clips are stored in secure cloud storage
  
• Free rolling cloud storage for up to 3 days (older clips are automatically overwritten)
  

This allows you to review recent activity without a subscription.

Biometric data is never stored in the cloud.

Yes.

Core functions like fingerprint, PIN, key, and face recognition work offline.

Internet connection is only required for:

• Remote access
  
• App notifications
  
• Video features (if supported)
  

Yes. Depending on the model and configuration, you can control your lock remotely in several ways:

• One-time or temporary access codes for remote entry management
  
• Bluetooth control when you are nearby
  
• Apple HomeKit for remote unlocking and smart home integration
  

For models with a built-in video doorbell, you can also:

• View live video remotely
  
• Use two-way audio for remote communication
  
• Receive motion alerts and trigger snapshot captures
  

These features let you monitor and manage your door anytime, from anywhere, with added security and convenience.

After checkout:

Our team will contact you by email or sms.
you don’t need to arrange anything yourself.

Once your order is marked as delivered, you will receive a confirmation email or SMS that includes a link to schedule your installation.

Simply follow the link to choose a convenient time for your professional on-site installation.

There’s no need to arrange anything yourself — the process is quick and straightforward.

Yes.

Professional installation typically includes:

• Removal of the existing lock
  
• Installation of the new smart lock
  
• Basic usage guidance on-site.

If you experience any issues, please contact our support team with:

• Order number
  
• Short description of the issue
  
• Photos or videos (if applicable)
  

This helps us diagnose and resolve the problem faster.

You can reach us via:

• Email
  
• Online support form
  
• Uploading photos or videos for technical review
  

Our support team will guide you step-by-step.

Yes. All of our smart locks come with a 1-year manufacturer warranty.

Professional installation is included and helps ensure the product is installed correctly and remains covered under warranty.