Smart Fingerprint Door Lock Keypad Knob w/ App Control – Black

📝 Condition • Used — Great condition • Fully tested, resets properly, works as intended 🔥 Features • 4-in-1 access: fingerprint, passcode, app, or backup key • Smart app control: add users, share access, view unlock logs • Fast unlock: 0.1s fingerprint recognition, 1-second open • Large capacity: stores up to 100 fingerprints + 100 codes • Secure local storage: data stays on the lock, not the cloud • Long battery life: 8–12 months (AAA batteries required) • Emergency USB power port for dead-battery unlock • Easy install: fits most U.S. doors, no drilling needed • Modes: auto-lock, passage mode, privacy mode • Includes: lock, mounting hardware, screwdriver 📏 Specs • Material: Zinc • Dimensions: 3.3" x 3" x 3" • Style: Modern • Model: Q6 • Color: Black / Satin Nickel accents ⚠️ Setup Tip • After inserting batteries, press reset before connecting to the app — required for first-time setup.