General description 100% new and high quality RFID NFC Smart Chip Reader kit made of high-quality plastic materials. The kit includes 5XUID white cards and 5XCUID keychains, available in black color. 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 Material: Plastic Color: Black Measurement allowed error: +/- 1-3 cm Package contents 1 * RFID Smart Chip Reader 5 * UID Cards 5 * CUID Keychains Other information Color and appearance of accessories are random; specific color requests cannot be accommodated. Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.