DESC: The Castle Creations Phoenix HV 110A brushless motor speed controller. Can you handle this much power? Has there ever been a speed controller this much ahead of it's time, and waiting for motor and battery technology to catch up to it? Make sure you're sitting down first before comparing this ESC's price to the nearest competing product with similar capabilities. And inexpensive in this case, most certainly does not mean anything was sacrificed in the Phoenix-HV110's design and component quality. Castle Creations leads the industry in reliable design and also sets the standard for customer service and support. We know everything in your large rc aircraft rides on having smooth power you don't even have to think about, so when it comes time to step up in electric capability, rely on Castle Creations for quality first designed speed controllers, and the money you've saved makes you simply smarter. The Castle Creations Phoenix 110 HV Features: Safe "Power On" Microprocess