10-pack Rfid Patrol Tags 125khz Coin Proximity Tags 30/40mm For Guard Tour. Introducing the ZOCORFID Contactless ID Card – a Reliable and Efficient Solution for Your Identification Needs. Utilizing a Passive Design and Equipped with the TK4100 Chip, This Card Offers Excellent Functionality with a Reading Range of 3-8cm. Operating at a 125KHz Frequency, It Delivers Swift Communication with a Speed of 106 Kboud. Available in Black, Yellow, and White, the Card is Durable, Capable of Exceeding 100,000 Wipes, and Retains Data for over 10 Years. Perfect for Various Identification Applications, It Comes in a Convenient Pack of 10. Key Features: - Chip Type: TK4100 Contactless ID - Frequency: 125KHz - Reading Range: 3-8cm - Size: 30mm Diameter - Communication Speed: 106 Kboud - Durability: Over 100,000 Wipes - Data Retention: Over 10 Years - Customization Options: Yes - Color Options: Black, Yellow, White - Order Details: 10pcs Per Lot.