| Name | Version | Description | Download |
| HD-R5018 Specification | V4.0 | Receiving card R5018 specification, used for full color modules. | |
| HD-R505 Specification | V3.0 | Receiving card R505 specification, used for full color modules. | |
| HD-R507 (A) Specification | V4.0 | Receiving card R507(A) specification, used for full color modules. | |
| HD-R507(B) Specification | V4.0 | Receiving card R507(B) specification, used for full color modules. | |
| HD-M20 v1.0 Specification | V1.0 | ||
| HD-M20 v3.1 Specification | V3.1 | ||
| HD-M21 specification | V0.1 | ||
| HD-M10 Specification | V4.0 | Used for LCD advertising machine, it can be controlled simultaneously with the LED display through the Internet cloud platform | |
| HD-WF1 Specification | V0.1 | ||
| The Specification of Full color relay controller K524 | V1.0 | The Specification of Full color relay controller K524 | |
| Sensor of Full-color Card Specification | V2.0 | Full color sensor device specification | |
| HD-Y1 Specification | V1.0 | Synchronous system Multi-function card Y1 specification |
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