It is widely used in various IC card management applications such as access control, payment systems, hotel locks, water meters, electricity meters, and gas meters. This product is a 125kHz RFID reader with USB interface. The USB RFID card reader quickly reads and writes RFID tags. Connect to a PC to read the RFID tag and update it within the application. Supports reading, writing, and cloning of ID cards for reuse. Specifications: Chip Type: ATA5577 Storage capacity: 363 bits Operating frequency: 125 kHz Maximum read/write distance: 3–5 cm Supports writing and copying cards/tags: 5200, 5577, 4305, 5567 Size: approximately 10.7 x 6.8 cm (4.21 x 2.68 inches) Package weight: 132 g Package list: 1 x USB Reader 1 x Driver CD 1 x Card 5 x Key Tags