* One Card Solution: 13.56 MHz platform 

* Adopt RFID Mifare encryption technology that raises security  

* 2 unlocking methods: Card & override key

* Card memory remains after battery replacement

* 3 Emergency override keys in case of emergency

* Stand-alone and wireless (easy installation) 

* Battery low alert: beeping when battery is running low 

* Metallic exterior that gives a more delicate appearance.