Passwords Smart Lock Cylinder Door Smart Locks Automatic Tuya Unlocking Ic Nfc Function Keyless High Security Splash Proof IP5 Splash-Proof Adjustab

IC/NFC Card Tap-and-go convenience;Tuya App Remote control, guest access, and activity logs;Mechanical Key Trusted backup override. Secure Bluetooth communication for real-time monitoring, customizable schedules, and one-touch sharing of digital keys. High-Security Adjustable Cylinder;C-grade anti-drill core with adjustable length to fit any standard door (35-45 mm).Emergency Power Supply;External USB power-bank port to revive a dead battery in seconds..syi