Hobbywing QuicRun Fusion SE Brushless system with integrated speed controller (ESC) for 1/10 scale Crawlers. Can also be used as an affordable waterproof entry level brushless system in any 1/10 car, but the SE version does not support reverse lockout, so braking only happens in neutral. Brake strength is programmable, for non-crawlers set drag brake strength to maximum and drag brake rate to minimum. Speed Controller integrated into the motor can, more compact, fewer wires, no ESC to mount. Sensored system for precise control, ideal for crawlers but drives great in any car with rapid acceleration and no cogging. Integrated Speed Controller means reliable overheat protection for ESC and motor. Standard 550 size 36x58mm long motor can fits most 1/10 scale crawlers and cars. 40A ESC, 1800kv motor, supports 2-3s LiPo, 6-9 cell NiMH. Uses standard Hobbywing car ESC program card (pictured, optional), also programmable via the power button. See pictures for further details.