100pcs/Lot 125Khz T5577 Rewritable Programmable RFID Keychain Keyfobs Copy EM4100 Cards(BK)

Welcome to my store, we will provide you with high-quality products and high-quality services, if you have any questions about the products, you can contact us, we will Size: you within 24 hours!100pcs/Lot 125Khz T5577 Rewritable Programmable RFID Keychain Keyfobs Copy EM4100 CardsFeatures:100% Brand NewT5577 chipSize:34.9*27.8*6mmMaterial: ABSOperation frequency: 125khzDetecting distance: 3-10cmCompatible with all Door Entry systemEasy to carryWater resistantEach comes with Key ring includedCompatible with all RFID reader to gain accessNo external power required.Brand new key inductive card for entrance guard system.It applies to access control, hotel locks, staff attendance and school campus access and payment control, identification and security systems, parking lot entry and payment, social security management, transportation payment, municipal and ancillary service payment.Note:The tags have no data in chip, it is used for copy compatible chips.Please write data to it before read.Notice:Due to different monitors, there may be some color difference, which is normal.s

• Small enough to fit on a key ring
• Provides an external number for easy identification and control Can be placed on a key ring for convenient entry
• Supports formats up to 85 bits, with over 137 billion codesRFID/HID/T5577/CET5577/EM4100/TK4001/EM4001/TK4100/ISO11784/11785/ISO FDX-B /Manchester/FSK/PSK/NRZ etc.
• Long-lasting durability in construction for sustained performance
• Compact and easy to carry and use,Rewritable functionality: Can be written countless times