Release lock for garage gate opener, security emergency garage door release lock with Extra long 8,2 foot (2,5 meters) cable

today we're going to replace the quick-release that's on the front of the garage door here this garage only has the garage door as an entrance there's no other ways to get into the garage so you have to have a way to get in if the power's out so this quick-release is made so that you can take a key and release it and then it has a cable you pull on and it releases the garage door opener from the door so you can manually lift it up if there's no power on the garage in the garage so we're going to take this one out and we'll replace it with the new one that we've purchased on the garage door over here is the quick-release there's a rope here you can pull on that releases the opener from the door so they can lift it up the lock that we saw on the inside are on the outside here's the cable that comes out the other side of it and it goes over to that release so that when you release it unloc