• About product:Each pack contains 30 keychains, Size is 40mm x 30mm x 4mm, Premium Gray.Each keychain comes with a small steel ring for easy hanging and carrying.
• About the chip:Built-in Ultralight C MF0ICU2 chip, operating frequency: 13.56 MHz, with 192 bytes of usable memory, can quickly write the required information. Each device has a unique 7-byte serial number and supports anti-cloning.32-bit user programmable OTP area
• About the material: high quality ABS material, waterproof, lightweight, well-made, smooth and burr-free, matching steel ring is shiny and bright, not easy to rust.
• About Application:Can be used in most of the access control security systems.Compatible with Newly upgraded SAFLOK, KABA, ONITY and SALTO Locks.
• About after-sale: we can guarantee that the products have been strictly tested. But if you encounter any quality problems, you can also feel free to feedback to us, we guarantee to answer all doubts and questions for our customers.