Door Knob with Keypad and Key, Keyless Entry Door Lock,Smart Digital Knob Unlock by Passcode/Keys/USB backuplock,Electronic Door Knob for Home Bedroom Apartment Garage Office Security,Black
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【EASY TO PROGRAM AND CHILD-PROOF】 A truly convenient alternative to traditional keys. Manage 1 administrator code and up to 100 passcodes using a single keypad. Perfect door knob with lock for room rentals, house-keeping, offices, storage rooms, bedrooms, dormitory management and more, also manage your children's access to a specific room such as computer room (gaming), garage workshop or storage room, etc. 【FASHION DESIGN FOR YOUR HOME】Design rotary knob has a texture and design optimized for long term grip comfort; The main structure, made by tested Zinc Alloy materials, delivers the robust and sturdy construction, enabling it to handle intensive day-to-day use; operates on 4 AAA batteries(not included) that will last up 1 year. 【MULTI-FUNCTION】 this door knob automatically locks 5 seconds after being opened. However, when there is a need to leave the door unlocked for a while, simply activate the Passage Mode; Turn on Silent Mode if you don't want others to hear any feedback from it; Anti-prying technology protects your code from prying eyes. You may enter up to 20 digits, including your own code, to unlock the door knob. 【WIDE APPLICATION】The keypad door lock is suitable for door thickness: 1-3/8'' to 2-1/8'' (35 to 55mm). Adjustable latch: 2-3/8 inches to 2-3/4 inches (60 to 70 mm).It is ideal for all US standard doors.Not need to distinguish between left and right. Free-pass mode can keep it unlocked at any time which is convenient for your family to enter and exit freely.Digital door lock is ideal. 【RELIABLE & TRUSTED 】 weather resistance. Quality materials and industrial circuit design ensure this door lock reliable. Sweat & weatherproof design keeps this electronic door knob intact despite all manner of unexpected situations.Can work in extreme environments . They are awesome gifts for the people you love.