General description 100% new and high quality RFID NFC Smart Chip Reader, made of high-quality plastic materials. This kit includes a reader and 5 UID white cards. Please note that due to different batches, there may be variations in product appearance and printed text, but this does not affect functionality. Technical specifications Color: Black Material: Plastic Included: 1 RFID Smart Chip Reader kit and 5 UID white cards Measurement allowed error: +/- 1-3 cm Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.