IRONZON Fingerprint Door Lock - Biometric Door Lock Smart Door Knob Gate Locks Left-Right Adjustable Handle Keyless Entry Door Lock for Bedroom Hotel Warehouse Office F180B

Fast and Secure Unlocking: The fingerprint door lock unlocks your door in just 1 second with a false recognition rate of less than 0.001%, ensuring safety and reliability. It also auto-locks after 3 seconds to prevent leaving the door open by mistake.

Easy DIY Installation: With clear instructions included, you can install the biometric door lock using just a screwdriver. It's designed to fit doors with a thickness of 1.18" (30mm) to 2.56" (65mm), making it simple to upgrade your door security on your own.

Emergency Charging: Powered by 4 AAA batteries that last up to 12 months, the lock has a low battery indicator that flashes red when it's time to replace them. Additionally, a Type-C emergency charging port is included to keep the lock functional during power shortages.

Fingerprint Management: The smart door knob supports up to 20 fingerprint entries, allowing you to invite family, friends, or tenants to access your home securely. The lock can be installed on both left and right-handed doors for added flexibility.

Enhanced Convenience: The fingerprint door lock is ideal for a variety of users, offering a blend of security and ease of access without the need for keys, making it perfect for busy households, rental properties, or home offices.