BEC: SU-30 70mm EDF E-FLITE
This text does not require translation as it consists mainly of model designations and brand names that are the same in both French and English:
- **BEC**: Battery Eliminator Circuit
- **SU-30**: Model of aircraft (Sukhoi Su-30)
- **70mm EDF**: 70mm Electric Ducted Fan
- **E-FLITE**: Brand name
If you want a full expansion/clarification, it would be:
**BEC: SU-30 70mm EDF by E-FLITE**
(Battery Eliminator Circuit: SU-30 70mm Electric Ducted Fan by E-FLITE)