Usage guideline:

:first of all ,you should make sure you have slots on the garage side rails and space before you buy our product

(if youdecide to set this on your automatic or manual garage door)

:You have to manually relesase the latch before you openyour garage door

:Having 2 deadlocks on opposite sides,one on the left and anther on the right,to provide better safety than only set one on the garage door

: the garage door come with a hole in the end so as to put a keyed pad lock on to better secure thedoor

: if someone copy the remoter of your automatic garage door

This deadlockwill stay locked if other want to open your garage and steal your property