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Anonymous users2024-01-24Fingerprint lock this is very convenient, but also absolutely safe, before the home is to use ordinary locks, but often drop the key, just change to Helster's 01 fingerprint lock, use until now, now the family is very fond of such a convenient smart lock, mainly the service is particularly good, not at all muddy water.
Grade lock cylinder, with technical opening time within 1 minute. >>>More
The left side is B-grade, and the right side is super B-grade, so the right side is good. >>>More
First of all, the material should be good, the lock cylinder should be made of standard copper (brass above 59), the blade structure should be stainless steel, and the black paddle cam in the middle should have carburizing technology; >>>More
Anti-theft door to see your door level, a class A anti-theft door is the highest, the lowest D level anti-theft door, anti-theft door anti-theft is not anti-theft, I analyze in a few points: the first cat's eye is best anti-prying cat's eye, the second door edge folding is complicated, the third lock cylinder level C level or above, the fourth handle is firm, to achieve the above four points of basic security is much more, go out remember to lock it.
Hello, this is a good solution. There are three methods, one is to scrape some pencil powder with a knife yourself, sprinkle it on the key, and then insert it into the keyhole to let the powder enter the lock cylinder. Two kinds of hardware store or binary store to buy "sewing machine oil", must be this oil other can not, this is great, not easy to insert the key, the door is not easy to hit, just a little lower. >>>More