For firmware upgrade
- Avatar HD VTX kit (V1) is the same as Avatar HD 1s kit (33mm size)
- Avatar HD Nano Kit V3 is the same as Avatar HD 1s kit (30mm size)
Avatar HD VTX kit (V1) is 4pin 1.0mm，
Avatar HD 1s kit (30mm size) is 4pin 0.8mm.
| Style | For Avatar HD VTX kit (V1), For Avatar HD 1s kit（33mm size), For Avatar HD 1s kit（30mm size）, For Avatar HD Nano Kit V3 |
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