C-Smart is an simple integrated front and rear serviceable LED screen. No cabinet design, only need a simple frame to hold the modules, which can reduce a big cost of installation. Advantages: 1. Fully modular design for easy assembly and repair. 2. Light weight: weight of modules is 3.55kg/pcs. 3. Don't need space on the back for maintenance, it can save space of 800~1000mm than normal back maintenance screen. 4. Bulit-in receiving card and power supply with data memory. 5. Fully sealed components, simplified waterproof connections. 6. Fan-less nature cooling. 7. Maximum brightness 8. Low power consumption. Application: Used for monument signs, led message center, pole signs and pylon signs etc, it can also be assembled into a big billboard.