The Schlage IBF-110 is a dual technology key fob. One side has a read-only iButton touch chip for use on Schlage touch chip electronic deadbolts. The other side contains a 125 KHz proximity chip for use on Xceed-ID, Schlage and HID proximity card readers. This handy 2-in-1 key fob allows the flexibility of using Schlage Express for electronic deadbolt activation while also allowing the user to enroll the proximity chip for use on common area card readers.
Schlage IBF-110 iButton & 125 KHz Proximity Combo Key Fob