0.3s Advanced Fingerprint Unlock: Built-in self-learning AI sensor, 500 DPI, 99.99% recognition rate, growing sensitive with per-use optimization. Identifies fingerprint in 0.3s, unlocks lock in 1s instantly, ideal for rushing out or late-night homecoming 4 Unlock Modes for All Scenarios: 20 fingerprints, 20 passcodes, 2 physical keys and one-time temp passcodes (auto-invalid after use). Meets the whole family’s needs including elders and kids, visitors like relatives, dog walker and cleaners, totally ending the hassle of hiding keys Multi-layered code protection: Ideal for homes, rentals & more, balancing security and flexible access. Comes with master admin code, 20 family codes, one-time temp codes, plus anti-peep function—add random digits around real code to stop snooping and theft Auto-Lock & One-touch Lock: Set up front door lock set to "auto lock" in 10-99 seconds, or press and hold any key for 2 seconds to "One touch Lock" from outside; Rotatable knob- lock/unlock in 1 second from inside High-Grade Security & Durability: ANSI/BHMA Grade 3 certified, IP54 waterproof, withstands -31℉ to 158℉, ideal for indoor and outdoor doors. 2 premium zinc alloy ergonomic lever handles for comfy use, pry-resistant core, 200,000-cycle tested for long-term reliable protection Long Battery Life & Low-Battery Indicator: Powered by 4 AA batteries (not included) for up to 1 year. A red light alerts when battery drops below 15%, preventing unexpected lockouts Vacation & Silent & Passage Modes: Vacation Mode disables all codes except master one when away, alarm triggers if inner thumb turn opens the lock; Silent Mode mutes keypad tones for late-night returns, low-battery and security alerts remain audible; Disable auto-lock to activate Passage Mode, perfect for moving days, parties, or when you need seamless access without repeatedly unlocking Easy to Install: Complete the installation and programming in just minutes by yourself with only a screwdriver; BHMA/ANSI certified, IP54 waterproof, suitable for both interior and exterior doors; Fits standard left/right-handed doors with a thickness of 1-3/8"–2" (35mm–50mm) and two 2-1/8" (54mm) holes US-Based Lifetime Support & 2-Year Warranty & 24/7 After-Sales Service: Enjoy dedicated US local support team assistance (Mon–Fri 9 AM – 5 PM
Sat 7 AM – 3 PM PST) plus 24/7 email Responses; 2-Year Full Device Warranty, lifetime maintenance for mechanical components—fast, reliable solutions for any issue guaranteed