Is it useful for anti-theft doors?
In general, the anti-theft door of the world are linked with the main lock, so the main lock anti-theft performance is critical. Personally think that with the tipper mainly in the visual enhancement of the role of anti-theft performance only. Casting brand security door, Chinese famous brand, well-known trademarks in China, the state Mianjian products.
Encounter what the gods are useless, as well as unlock the master
There are heaven and earth will play a certain role in preventing, but there are ways to unlock the master, so the main lock is not a security problem, what lock relatively safe and reliable, and their use is more convenient, you can Google "