DoorBird 125 KHz Transponder Key Fob, 64bit
Write-Protected, Material ABS, for D21x and Later, 10 Pieces

• To be used with DoorBird D21x models and later
• Comes with 10 RFID Key Fobs
• 64 bit encryption and write protected
• Great for access control. Set times and dates to allow entrance
• DoorBird Units are designed and made in Germany