FST (pack of 100) EM 125KHz EM4100 Keyfobs RFID Access Control Cards Proximity TK4100 Keychains Smart ID Keycard Read Only (Blue)

• Working 125KHz frequency. Made of high quality ABS material.
• TK4100 / EM4100 chip. Support Read only, not support write, not support copy.
• Each keyfob has metal keyring and unique ID number on it.
• ISO14443A Standard, waterproof. Can be programmed on the access controller directly.
• Package including 100pcs Blue keyfobs. Suitable for door access control system, video intercom system. apartment, office, park, etc.

Product Description Material: high quality ABS Working Frequency:125KHz Support: Read only, not support write, not support copy Chipe: TK4100/EM4100 chip Waterproof: Yes 
Standard: ISO14443A 
Each keyfob has metal keyring and unique ID number on it Suitable for: door access control system, video intercom system Quantity: 100 pcs keyfob Color: Blue