Generally speaking, the price of special locks is relatively expensive, which is really called a penny for a penny. The special lock is a patented product of Wang Li. Many people buy Wang Li's security door because they value Wang Li's special lock. Mechanical locks can be produced in many places on the market. Let's talk about the six advantages of special lock products.
Digital upgrade function, the lock can be upgraded to intelligent remote controller, password IC radio frequency card and fingerprint opening at any time according to user's requirements, without replacing the security door.
Excellent self-protection device function, the lock tongue will automatically pop up when it is aligned with the keyhole. As long as the door leaf and door frame are gently closed, the door can be automatically locked without keys and other control devices.
The special anti-pry hook adopts special two-way anti-pry hook, which increases the difficulty of prying, and the more prying, the more prying.
Unique clearance compensation function, adopting a new French closed structure, can automatically adjust the clearance between the door leaf and the door frame, so that the door leaf and the door frame are closely attached, avoiding the sound caused by wind or human factors, eliminating noise, and being more comfortable at home.
The special roller device uses a unique roller to contact the door frame first and lock it smoothly, which reduces the scratch of the door frame, and at the same time, because the roller is larger than the lock core, it plays a role in noise reduction.
Indoor quick door opening function, without a key, you can easily open the door by pressing the handle, which is convenient, fast and safe.