Features: Scan: It supports paper printing bar code, screen bar codes such as mobile phones and computers with higher precision of scanning. Billing: It is also a billing device, compatible with all billing formats, it can quickly realize WeChat and payment receipt. Anti-falling: The ability to resist falling can reach 2m so it can avoid the risk of downtime caused by falling work. Application: Compatible with USB, KB, RS232 and other data interfaces, can meet customers' different application scenarios. Suitable: The industrial three-defense design suitable for commercial, payment, express, logistics, medical, health and tobacco.