Double - sided fingerprint integrated lock (bull headlock)

€354,00 EUR

Your door recognizes you. Your keys stay forgotten in the drawer.

• Unlock with a touch on either side of the door.
• Store family fingerprints for instant, key-free access every time.
• Never fumble for keys while carrying groceries or kids again.
• Double-sided sensor means entry and exit feel equally effortless.

Connect to your smart speakers, displays, and mobile devices for seamless control.

Double-sided fingerprint access transforms your door into the easiest thing you'll open all day.

Connection Protocol
  • 433MHz

Lightning-Fast Entry

Unlock your door in under one second with the high-speed semiconductor fingerprint reader—no more fumbling for keys while carrying groceries or rushing in the rain.

Five Ways In, Zero Worries

Always have a backup plan with fingerprint, password, IC card, mechanical key, and TT lock app options—family, guests, or cleaners can get in even if one method fails or a phone dies.

Built-in Break-in Alert

The lock yells a warning the moment it detects tampering, giving you time to call for help and scaring off would-be intruders before damage is done.

Double - sided fingerprint integrated lock (bull headlock)

Never Guess Battery Life Again

A clear voice prompt tells you exactly when AA batteries are running low, so you can replace them before you’re ever locked out—no surprise midnight failures.

Track Who Comes and Goes

Check the TT lock app to see a complete history of every unlock event—perfect for knowing when kids arrive home or confirming the cleaner actually showed up.

Keep Secrets from Onlookers

Type your password with extra random digits (virtual password) so neighbors or visitors can’t steal your code by watching your fingers on the keypad.

Experience Smart Living

From installation to daily use, discover how effortless smart living can be.

Automations

• (Useful for monitoring when someone uses a physical key, enhancing security
• (Useful for convenience and security, ensuring the house is well-lit when someone enters
• (Useful for security, alerting you to potential unauthorized access attempts

Connected Scenes

• Unlocks door automatically when video doorbell detects authorized fingerprint.
• Sends phone alerts when someone uses the fingerprint lock.
• Syncs with smart lights to illuminate hallway when door unlocks.

Your smart home, always in your pocket

Control lights, locks, climate, and scenes from anywhere with the HeyZack Smart Control app — free on iOS and Android.

Get Heyzack App

Frequently Asked Questions

Find quick answers to common questions about Heyzack smart devices. From setup to compatibility, we’ve covered the essentials to help you get the most out of your product.

What if I face issues with my device?

Our customer support team is available 24/7. You can also check the Heyzack app for troubleshooting guides or request a replacement under warranty.

Is my data secure with Heyzack smart devices?

Absolutely. All communications are encrypted with advanced security protocols to protect your personal data and privacy.

Do I need a hub to use Heyzack products?

Most Heyzack devices connect directly via Wi-Fi and do not require a hub. Some kits may include a central hub for enhanced connectivity.

Are Heyzack devices compatible with Alexa and Google Assistant?

Yes, all Heyzack smart devices work seamlessly with Alexa and Google Assistant for hands-free voice control.

How do I set up my Heyzack smart devices?

All Heyzack products come with quick installation guides and can be set up in minutes using the Heyzack mobile app.

Fast global delivery

HeyZack offers worldwide shipping, making our products accessible globally.

Warranty that lasts

Up to 5-year coverage on key HeyZack devices, so your setup stays protected.

Certified quality

Designed in the EU and tested to strict ISO standards for safety and reliability.

Help when you need it

Step-by-step guides and expert support to get the best from your HeyZack home.