Fingerprint Unlock with Self-Learning AI: Store up to 20 fingerprints and let your whole family enter seamlessly without keys; Powered by a dedicated on-device Veise AI chip, our system identifies and unlocks within 0.2 seconds at 99.99% accuracy; Unlike ordinary locks, it continuously learns and refines its recognition with every use, growing more precise over time—truly intelligent security [4-in-1] Unlock: Store up to 20 fingerprints and 20 passwords for keyless family entry, keep two spare mechanical keys, and generate secure one-time codes for guests that auto-delete after use Multiple Password Types: The secure Master Password is reserved for you, the owner. Create up to 20 individual User Passwords for family, tenants, or frequent guests; Generate One-Time Passwords for service providers like cleaners or dog walkers—each expires automatically after use; Anti-Peeping Code feature lets you disguise your real PIN by adding extra digits before or after it, preventing visual theft; Perfect for households, rentals, and busy families Security Locking: "Smart Door Locking" – The KS02A door lock auto-locks in 10-99 seconds; Press and hold any key for 2 seconds to activate "One-touch Lock;" The rotatable knob allows for locking/unlocking in 1 second from the inside; Disable auto-lock to activate Passage Mode Long Battery Life & Low Battery Alert: With long battery life and a low-power warning; runs for up to 365+ days on 4 AA alkaline batteries (not included) and triggers a red LED alert when power is low Durable & Secure: ANSI Grade 3 and BHMA Certified, IP54 Waterproof, withstands extreme temps (-31℉ to 158℉), with low battery indicator light alerts ensures safety and durability; Activate "Silent Mode" to mute sounds quietly; When you're away, enable "Vacation Mode" to restrict access to the master password or physical keys only; All information is encrypted and stored locally, building a robust and reliable security system US-Based Lifetime support & 2-year warranty: Enjoy professional after-sales service from Veise's US-based team, with direct phone support (Mon–Fri 9 AM – 5 PM
Sat 7 AM – 3 PM PST) and 24/7 email service; 2-year warranty on the entire machine, lifetime maintenance for mechanical parts, and quick solutions to any problems Effortless Setup: Auto-detects left-/right-handed doors; Quick DIY installation in just 15 minutes with only a screwdriver– no drilling, professional or hardwire connection needed; Comes with a all-zinc alloy, all-metal, scratch-resistant and wear-resistant lock, resistant to wind, rain, and sun exposure, suitable for both interior and entrance doors; Compatible lock hole diameter: 2-1/8" (54mm); Fits most standard door thicknesses from 1-3/8" to 2"(35mm-50mm); Includes installation instructions and video tutorials