HIDALIFE Door Knob with Keypad Door Knob with Lock Keyless Entry Door Lock with Code for Front Door Garage Home Apartment Matte Black

Convenient Keyless Entry Enjoy the ease of keypad door lock with 1 master code and 9 access codes available Create passwords 4 to 15 digits in length fitting well for bedroom home apartment garage and office Advanced Security With mute function smart door knob prevents others from peeping your codes by listening to the sound The combination of mute and the 15digit password boosts the door locks security of electronic door lock Versatile Fit Designed to fit most US standard doors its adaptable knob suits both left and righthanded doors The latch is adjustable to fit 238Inch 60mmor 234Inch 70mm backsets with 54mm door hole in diameter MultiFunctional It suits various doors like entry door garage back door bedroom It is recommended to install the inside knob in indoor It includes an emergency power supply for battery depletion situations Easy Installation Set it up in minutes using only a screwdriver no special skills required The backlit keypad door knob ensures convenient code entry even in dark Please remember to place 2 batteries on each side of the battery box 4 batteries are needed not included in the package.