10pcs T5577 RFID Keyfobs 125khz Writable T5577 Key Fob Proximity ID Card Toke…
It’s rewritable, and it can write in 125khz id format and H-ID WG 125khz format, can be customised to 26-bit Prox format. Compatible with T5567 T5577 EM4305. You cannot directly add them to RFID locks or use a card reader to read them.