• 【Versatile Security Solution】This fingerprint lock with chain is designed for multiple applications including windows, refrigerators, doors, cabinets, washing machines, and file cabinets, offering flexible installation options (no drilling/drilling) to meet diverse home and office security needs.

• 【Advanced Biometric Technology】Utilizing semiconductor biometric recognition, this lock rejects fake fingerprints and provides 1-second identification for keyless unlocking, enhancing security and convenience.

• 【Durable Construction】Featuring a reinforced aluminum alloy chain, the lock is built to withstand external forces, ensuring robust protection for your belongings.

• 【Long-lasting Battery Life】With a low power consumption design, the lock can operate for approximately 10 months with 5 daily uses. The USB-C fast charging feature allows for immediate use upon charging.

• 【Electronic Key Functionality】Comes with an electronic key for easy fingerprint setup, addition of new fingerprints, and factory reset options, providing flexible management of up to 20 fingerprints.

Specifications:

• Material: ABS + Aluminum Alloy
• Chain Length: 24.5cm
• Maximum Gap: 17.5cm
• Operating Voltage: 3.5V-4.2V
• Fingerprint Capacity: Up to 20 fingerprints
• Charging Port: USB-C
• Battery Life: Approximately 10 months (with 5 daily uses)
• Installation Options: No-drill or drill installation
• Recognition Speed: 1 second