R20XD RFID ID Card Reader for LF Chip TK4100 EM4100 EM4200 Non-contact Driver-free USB Interface Android Windows Tags Readers

Model Number : R20XD-USB Frequency : 125KHZ Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you. Our company is located in China.We offer wholesale price, professional e-business service.Look for long term business with you!