* Intelligent auto-locking design

* Temporary code design for unexpected use 

* 2 unlocking methods: card & override key 

* Code memory remains after battery replacement

* 3 emergency override keys in case of emergency

* Low battery alert: beeping when battery is running low

* Metallic exterior that gives a more delicate appearance

* Over one million sets of code possibilities to raise security

* Stand-alone and wireless (easy, and effortless