About This

• Important Note: These are blank cards without pre-programmed card numbers. You cannot directly add them to RFID locks or use a card reader to read them. Before use, you must first write data(card numbers) into them by a 125KHZ RFID card writer. They are not IC cards or NFC cards. They don't work for TTLock or Tuya smart locks which use 13.56MHZ frequency. More product info and FAQ is listed in the Product Description. Please read the description before purchase.
• Round-coin-shape sticker, with adhesive back. You can stick it on other stuff (but not metal) if necessary.
• Frequency: 125kHz; Chip: ATMEL T5577 (compatible with other universal 125kHz tags); 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.
• Approx Size: 25mm Diameter, 1mm Thickness. Casing Material: White PVC Plastic. Waterproof & Durable. Package includes 10 PCS.

Overview

• Color : Multicolor
• Size : 25mm
• Material : Polyvinyl Chloride
• Brand : ETEKJOY
• Finish Type : Uncoated