It's a SimonK 30A BLDC ESC Electronic Speed Controller with Connectors. This speed controller generally used for BLDC motor, Multirotor, RC Planets.
Specification
- Model: SIMONK 30A.
- Constant Current: 30A (Max 40A < 10 sec).
- BEC: 5V 2A.
- Suitable Batteries: 2-3S LiPo.
- Application: BLDC Motors, Multirotor, RC Planes etc.