1. The U81 offers 6-in-1 keyless convenience, giving you and everyone you trust the perfect way to enter.
- Fingerprint Scanner: <1-second access for you and your family. Fastest & most secure.
- PIN Code: For guests, Airbnb rentals, or service people. The anti-peep feature keeps codes secret.
- RFID Card: Perfect for children or those who prefer a keycard feel.
- Bluetooth App: Lock and unlock directly from your phone.
- Mechanical Key: Trusted physical backup for complete peace of mind.
- Alexa Voice Control: (Requires Wi-Fi Gateway) "Alexa, lock the front door."
2. Designed for Your Home & Your Peace of Mind
- Long-Lasting Power: A single set of 4 AAA batteries powers your lock for up to 12 months. Receive timely low-battery alerts, so you're never caught off guard.
- Built to Endure: Rigorously tested to 100,000 cycles, the U81 is a reliable guardian for years to come.
3. Smart Home Integration Made Simple
Go beyond basic access. With the optional WiFiBox3, you can:
- Remotely manage and monitor your lock from anywhere via the app.
- Integrate with Amazon Alexa for voice commands and Home Assistant for advanced automations (e.g., "Good Night" scene that locks all doors).
4. The Perfect Fit for European Doors
The U81 is specially engineered for door edges ≥25 mm, offering a seamless, no-drill installation on most wooden, interior, and entrance doors with Euro-profile cylinders. Its sleek silver finish blends perfectly with modern aesthetics.