1. Very easy to install locks. Directly install for knob locks. It is the good choice for the improvement of old hotels.

2. Door thickness request is only 3.5 cm.

3. Latch is up to international standard. Two choices: 60 mm and 70mm.

4. Install fast and quietly. There is no effect on the daily business of hotels.

5. Because it is easy to install, and only need to tear down the old ball type lock, does not need dig another hole, it is ideal for the customer for the hotel's improvement.

6. Free rotating handle, maximum prolong mechanism life and also avoid unlock by violence.

7. Pure stainless steel mechanical rotating structure enable for using more than 10 years.

8. No longer installs the electrical machinery into inside the mortise, which facilitated the maintenance work.

9. Auto-prevent dust into lock, sole technology in China

10. Rotate the handle freely in locked mode, prevent malicious destroy of the lock structure

11. Smart card is Germany Siemens encrypted card with high security and durability. Be used repeatedly for 100, 000 times and picked up 256 records.