FORMAT: These wiegand proximity credentials are programmed to be compatible and similar to the Kantech Ioprox XSF 26 Bit eXtended Secure Format COMPATIBLE: These proximity credentials are configured to be compatible with Kantech ioProx card readers. APPEARANCE: 30mm x 37mm x 5mm black tear drop shaped keyless entry Key Fobs NUMBERING: Over 4 billion code possibilities ENCODING: Dual Encoded to prevent card duplications Similar to ioProx, P10SHL, P20DYE, P30DMG, P40KEY, P50TAG Works with P225XSF ioProx, P325XSF ioProx, P600 ioProx, and P225KPXSF ioProx INFORMATION WE NEED FROM YOU Family Code Facility Code AuthorizID offers a wide variety of proximity technology. When purchasing from AuthorizID you are doing so with the peace of mind that you will also get free technical support to get your fobs programmed into your system from a team that has over 16 years of hands on experience with security systems and software. Not only are we here to help you program your products, but in the rare event that you purchased the wrong item we are here to guide you in the direction of compatible products for your system/software. FREE SAMPLES AVAILABLE: Not sure what cards/fobs work with your system? Contact us and request a free sample. You can do this by clicking the ?Contact Seller? link on the far-right side of the listing in the ?Seller Information? box. Leave us your name and shipping address and we?ll get some card samples and instruction on how to take advantage of our technical support team shipped to you absolutely free, no risk. Your sample will contain 3 different cards that have common formats. Odds are, we will get one of them working with your system. TECHNICAL SUPPORT- Receive free technical support programming your cards from our highly experienced technical support team. Not sure if this is right? We have free samples! THANKS FOR SHOPPING. WE LOOK FORWARD TO WORKING WITH YOU!