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Multiple Unlock Options: Smart lock with handle can be unlocked via app, codes, web portal, IC cards (1,+ capacity), e‑key, authorized admin, key, and work with Apple Watch. Auto-lock adjustable 5–s, one-touch lock by holding “#” for 2s. LED indicators show lock or unlock status at a glance. Ideal for daily home use, rental properties, temporary guestsUser‑Friendly App & Web Portal: Keyless entry lock with handle comes with DDlock app and web portal control, with no subscription fee. Smart lock/unlock, create and grant e-keys, manage user permissions, view access logs, and remotely generate and instantly share passcodesSmart Flexible Codes & Anti-Peeping: Store + codes. Create permanent, scheduled, recurring, one-time(unlimited use, delete after use), or erase codes remotely. Anti-peeping protection allows random digits before/after the code to prevent exposure. Lock disables for 2 mins after 5 wrong attempts. Perfect for family, tenants, or temporary visitorsRemote Access & Voice Control: When paired with G2 gateway (sold separately), smart deadbolt door lock integrates with smart home systems, allowing you to remote lock/unlock, real-time access logs, battery monitoring, user management, and abnormal alerts and works with Alexa and Google Assistant voice commands, even when you are busy or away from homeDurable & Feature-Rich Design: Solid zinc alloy construction for reliable protection. Includes Privacy Mode for undisturbed moments, Silent Mode to avoid disturbing others, and Passage Mode for easy movement during moving or gatherings.Full control via the smart app puts everything at your fingertipsAll-Weather & Encrypted Security:IP54 weatherproof and certified to BHMA/ANSI Grade 3 for long‑term durability, with a lifespan exceeding 10 years. All lock data (access records, user info, codes) is encrypted lo's chip, eliminating any risk of data leakage at the source10‑Minute Easy Installation: Electronic smrt lock for front door fits most U.S. standard left‑handed and right‑handed doors, suitable for both interior and entry doors.Compatible with 1-3/8"–2" (35mm–50mm)door thickness and 1-1/2" or 2-1/8"(38mm or 54mm) hole diameter. Includes manual and video guide—install with just a screwdriver, no professional required2-Year Warranty & Lifetime U.S. Support: Backed by a 24 months full product warranty and lifetime component maintenance. Enjoy U.S.-based support (Mon–Fri 9 – 5 | 7 – 3 ) and assistance for worry- ownership