Elevate your home security with the ZK-AL20B/AL20DB Smart Residential Lever Lock by ZKTeco. This sleek and innovative lever lock combines cutting-edge technology with a minimalist design, offering you a convenient and secure way to protect your home.

Key Features:

1. Ultra-Thin Design: With a remarkable 30mm thinness, this lock seamlessly blends with your door, providing both aesthetics and functionality.

2. Alarm Mode: Stay vigilant with the built-in alarm mode, alerting you to any unauthorized access attempts.

3. Backup Power: Never worry about power outages. The ZK-AL20B/AL20DB can be powered by four AA alkaline batteries (not supplied), ensuring your home is always protected.

4. Bluetooth 4.0: Connect and control your lock remotely using Bluetooth technology. You can manage access from your smartphone for added convenience.

5. Lock Out Mode: Secure your home with the lock-out mode, preventing any entry even with a valid code or fingerprint.

6. Random Password: Generate temporary, one-time-use passwords for guests or service providers, enhancing security.

7. Reversible Handle Design: Adapt the lock to your door's swing direction with the reversible handle design, ensuring a perfect fit.

8. Voice Guide Programming: Effortlessly program your lock using voice-guided instructions for a hassle-free setup.

9. Volume Adjustment: Customize the lock's voice and keypad volume to your preferences, maintaining peace and quiet when needed.

Specifications:

• Door Thickness Range: Suitable for doors with thickness ranging from 30mm to 54mm (standard).

• User Capacity: Store up to 100 authorized users for easy access management.

• Password Capacity: Create and manage up to 100 unique passwords for added security.

• Fingerprint Capacity: Register up to 100 fingerprints, allowing quick and convenient entry.

• Wireless Module: Featuring BLE 4.0 technology, enabling seamless connectivity and control.

• Power Supply: Powered by four AA alkaline batteries (not included) to ensure continuous operation.

• Dimensions: Front - 73(W) × 179(L) × 37(D)mm, Back - 73(W) × 179(L) × 27(D)mm, designed to fit most residential doors.

• Material: Constructed with durable Zinc Alloy (ML10 Series) for long-lasting reliability.

Upgrade your home security with the ZKTeco Smart Residential Lever Lock. Experience the convenience of keyless entry, Bluetooth connectivity, and advanced security features, all in a stylish, slim package. Protect your loved ones and valuables with the ZK-AL20B/AL20DB, the future of residential door security.