Buy on Amazon : br br SoHoMiLL YL 99 Keyless Electronic Keypad Lock Adjustable latch backset 2 38-Inch to 2 34-Inch br br Easy setup master code passage code plus up to 8 user codes - all controlled by your master code br Fits both left and right-hinged doors heavy duty design stainless steel and all-weather for both outdoor and indoor applications br Design for Do It Yourself DIY and Easily replace most existing door locks br Auto-lock from outside in three seconds after entry to ensure max security br Low battery warning plus backup battery box jumper