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So far I gave this 3 stars only because I have no idea how well it works. The instructions were obviously written by someone that uses broken english. The instructions reference two distances to mount the lock. The 1st is 6.00, the 2nd is 20.00. They must be in centimeters bc it's not inches. After I figure out how to install it I'll update this review.
Ad is listed as having 2 tags, 3 cards. Package I received only had the cards. The lock is listed as programmable, but there are no instructions for programming the cards or switching between the modes listed in the ad.
The product tested out great. But trying to get the two parts lined up correctly (at least in my application) them was impossible and by having to readjust a number of times the screw heads of the screws supplied started to strip. At that point I gave up and decided to return the item.