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

[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.