| Name | Version | Description | Download |
| HD-D05 Specification | V2.0 | New door lintel screen control system D05 specification | |
| HD-D35 Spec | V1.0 | Door lintel screen and small screen, etc sending card D35 specification | |
| HD-D06 Specification | V2.0 | New door lintel screen control system D06 specification | |
| HD-T901 Specification | V1.0 | Synchronous sending card T901 specification | |
| HD-T901B Specification | V1.0 | Synchronous sending box T901B specification | |
| HD-VP620 Specification | V1.0 | ||
| HD-T902B Specification | V1.0 | ||
| HD-VP820 specification | V1.0 | ||
| HD-R508 Specification | V0.1 | Receiving card R508 Specification, used for full color modules. | |
| HD-R512S Specification | V2.0 | Receiving card R512S specification, used for full color modules. | |
| HD -VP210 Specification | V1.0 | ||
| HD-R512 Specification | V1.0 | Receiving card R512 specification, used for full color modules. |
