ETEKJOY 10 PCS Writable 125kHz RFID Key Fob Proximity ID Card Token Tag Rewritable T5577 Universal

• Note: You cannot add them to RFID locks directly. You must write data into them by a 125kHz RFID card writer before use. They are blank tags, no data inside.
• Frequency: 125kHz; Sensing Distance: 2.5 to 10 cm (1 to 4 inch); Data Storage Life: 10 Years.
• Writable & Rewritable. It can be erased and written 100,000 times. Suitable for making new and back-up tags, with the 125kHz RFID card writer/copier.
• Chip: ATMEL T5577 (compatible with other universal 125kHz tags).
• Approx Size: 1.4*1.1*0.2 inch. High-Quality Copper Coil inside. Casing Material: ABS Plastic. Waterproof & Durable. Package includes 10 PCS.

Note: You cannot add them to RFID locks directly. You must write data into them by a 125kHz RFID card writer before use. They are blank tags, no data inside. ETEKJOY 10 PCS Writable 125kHz RFID Key Fob Proximity ID Card Token Tag Rewritable T5577 Universal * Note: They are blank RFID tags, no data inside. You need to write data into them to use. * Frequency: 125kHz; Sensing Distance: 2.5 to 10 cm (1 to 4 inch); Data Storage Life: 10 Years. * Writable & Rewritable. It can be erased and written 100,000 times. Suitable for making new and back-up tags, with the 125kHz RFID card writer/copier. * Chip: ATMEL T5577 (compatible with other universal 125kHz tags). * Approx Size: 1.4*1.1*0.2 inch. High-Quality Copper Coil inside. Casing Material: ABS Plastic. Waterproof & Durable. * Package includes 10 PCS.