Specification :

* Artwork from the Well-known European designer, elegant appearance
* Nylon Nickel surface treatment, never fade.
* USA TI DSP digital signal processing chip, excellent performance and stability
* 2 Levels users: Admin User and normal Users
* Add or Delete Users stand-alone, without effecting other users
* Free rotation Handle/ knob, protect the lock case mostly,
* International standard cylinder.
* Powered by 4 pieces AA Batteries, low consumption.
* Low voltage alarm function.
* Can set passage function for convenient meeting use.