| Name | Version | Description | Download |
| HD-E64 Spec | V2.0 | Single-dual color LAN series control card E64 specification | |
| HD-S63 Spec | V2.0 | Single-dual color Serial series control card S63 specification | |
| HD-G62 Spec | V2.0 | Single-dual color GPRS series control card G62 specification | |
| LED Name Badge(44*11) | V4.0 | ||
| LED Name Badge(48*12) | V4.0 |
