Signstek Keyless Entry Door Lock, Door Knob with Keypad, Smart Code Door Lock, Mute Mode, Passage Function, Easy to Install, Satin Nickel

Additional Details from the Manufacturer

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More features

• Convenient for Keyless Entry: This digital lock provides multiple access codes.
• Enhanced Security: Designed with mute function, this doorknob can prevent others from listening to beep to steal your code. The mute function greatly improve the security of the door lock.
• Multi-Functions: The electronic lock is waterproof. Perfects for your entery door, front door entry, garage, utility room door, back door, bedroom door. And we recommend the inside door knob is used in indoor. It comes with an emergency power supply in case that the batteries run out.
• Universal Fit: It fits most standard doors and the free rotating knob make it fit both left and right handed doors. With adjustable latch, it fits 2-3/8-Inch (60mm）or 2-3/4-Inch (70mm) backsets with 54mm door hole in diameter.
• Easy to install: Easily installs in minutes with just a screwdriver even you are not professional. The keypad is back-light that enable you to enter codes more convenient even in darkness. Note: Please make sure to install 2 batteries on each side of the battery box. 4 batteries are required.