X-520 has the features of high scanning speed and easy to use. It has several built-in interfaces. You just need to change over and set up before use. The highlight bicolor led and 85db beep sound will meet the needs of working under the noisy environment. It suitable for wharf, airport, commerce, logistics, medical service, etc. The unique top cover design is convenient for oem for customers. X-520 is your first choice to improve working efficiency. Box