General description 100% new and high quality RFID NFC Smart Chip Reader kit made of high-quality plastic materials. This kit includes 5 UID keychains and 5 UID white cards, providing a complete solution for your RFID needs. Please note that due to different batches, there may be variations in product appearance and printed text, but this will not affect functionality. Technical specifications Material: Plastic Color: Black Measurement allowed error: +/- 1-3 cm Package Contents 1 * RFID Smart Chip Reader kit 5 * UID keychains 5 * UID white cards