Specifications: The reading and writing distance of keys can reach 2.5cm and card for 6cm respectively. Supports writing 75577, EM4305, CET5200 and compatible cards of 75577, EM4305, 8265, 8268. 125KHz handheld replicator is a device used to produce and master card sample numbe. Adopts ultra-light and ergonomics design, easy to carry. Adopts silicon international advanced chip, all the work is completed by this chip, so that the product integration is higher, more stable and reliable. Adopts excellent program algorithm and circuit design, reduces product power consumption and prolongs battery life. The design of a read button and a write button makes the operation easier. It can copy ID (EM4100) card, HID card and AWID card, which can penetrate the firewall. Item Name: RFID Copier Writer with ID Card Material: ABS Frequency: 125KHz Power Supply: 2 x AAA Batteries (Not Included) Features: Portable, Easy Operation, Programmer, 125Kh Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Package Includes: 3 x ID Card 1 x RFID Copier Writer 1 x User Manual