The most cost-effective: self-research and self-produced hardware, hardware costs 20% lower in the same industry, with the same investment, it can be put more cabinets. With ultra-high definition LCD screen: Remote one-key brand advertising, attracting the attention of passers-by, you can play the ads to earn revenue, to maximize business. Modular design of the whole machine: the cabinet consists of slots, latches, springs, motherboards, 4G modules, etc. Each part is independent, so anyone can maintain and service the cabinet. One key OTA upgrade system: support 4G module remote automatic upgrade, reduce cabinet after-sales maintenance management personnel, easy and convenient to upgrade the system.