Hobbywing SEAKING 30A V4 Brushless Electronic Speed Controller [30302061]

Excellent waterproof performance(IP67). Users can use it directly without any waterproof treatment (note: if water enters after use, please blow dry each plug to
prevent rusting).
Built-in ultra-powerful switch mode BEC and adjustable voltage, supporting high torque and high voltage servos.
Data logging function to view various running data on the HW LINK app.
Supports the firmware upgrade of the ESC, you can enjoy the latest functions.