Graceful and convenient Design, Advanced Edgy Technology 1. Intelligent RF System: Upgraded Contactless Intelligent RF System 2. Outstanding Compatibility to all necessary Places Coverage of all buildings, for living, laboratory, Computer Room, and Secured Places and Linkage to the main Controlling System 3.Simple Usage One Touch Open Type, Simple Setup 4. RF Tag Key Easy holding of the Key Tag 5. Selective Open Method RF-Card or Password could be alternatively selectable 6.Wireless Remote Control Function ( Optional for RF-1100) Convenient Door Open in indoors upto 50Meters with Wireless Remote Controller adopting IRREGULAR Coding method against the Hacking 7.Voice Guide Service for self Diagnosis (voice, melody and silence selectable)Self Diagnosis for the system for the convenient management of the system 8.Battery Change Alarm