Hobbywing 30419010 Seaking 2040SL Brushless Motor - 4000KV Black-V2

What's in the box:

(1) HOBBYWING SEAKING 2040SL 
(1) Manual 

Powerful output with smooth startup, perfect for boats.
Eye-catching water cooling jacket with excellent cooling performance.
Optimized ESC Compatibility: Designed for seamless integration with the SEAKING V4 ESC, enabling higher speeds and increased power output when paired.
Durable build: CNC aluminum case, high-temp coils, Kevlar-wrapped rotor, ultra-thin silicon steel sheet stainless shaft, and premium bearings.
Modular design for easy maintenance.