Keyless Entry Door Lock,Door Knob with KeypadSmart Code Door Lock,Mute Mode,Passage Function, Easy to Install,Oil Rubbed Bronze

Convenient for
Keyless Entry: This digital lock provides 1 master code and 9 access codes. You can set the password up to 15 digits.
Enhanced Security: Designed with a mute function, this doorknob can prevent others from listening to beeps to steal your code. The mute function and the 15-digit password function greatly improve the security of the door lock.
Universal Fit: It fits most standard doors, and the free rotating knob makes it fit both left and right handed doors. With an adjustable latch, it fits 2-3/8-Inch (60mm) or 2-3/4-Inch (70mm) backsets with a 54mm door hole in diameter.
Easy to Install: Easily installs in minutes with just a screwdriver, even if you are not a professional. The keypad is backlit, enabling you to enter codes more conveniently even in darkness.
Note: Please make sure to install 2 batteries on each side of the battery box. 4 batteries are required.
Multi-Functions: The electronic lock is waterproof. Perfect for your entry door, front door entry, garage, utility room door, back door, or bedroom door. We recommend the inside doorknob be used indoors. It comes with an emergency power supply in case the batteries run out