PASSWORD UNLOCK：The sliding door latch does not require a key and has the default password 000. You can insert a steel needle into the password lock, and then adjust the numbers to change it to a new password, which increases security. (Note: When changing the password, adjust the numbers to the original password)HIGH QUALITY ZINC ALLOY：The updated 90/180 Degree Right Angle Interior Door Lock is made of zinc alloy and has multiple layers of coating on the surface, rust and corrosion resistant. It can resist daily scratches, prevent loss of gloss and extend the service life.DIMENSIONS： Password lock：10.8cm * 6.3cm * 2.5cm.TWO INSTALLATION METHODS： Our metal door lock can be installed with screws or strong glue. After applying the glue, attach the auxiliary sticker and let it sit for 72 hours to improve stability. (Please refer to the pictures for detailed installation instructions).WIDE APPLICATION： The sliding door lock is ideal for doors, shed doors, barn doors, gardens, courtyards,