Emax ECO II Series 2004 Motor Specifications:

* Frame diameter: 24mm
* Length: 19mm
* Number of cells: 4-6S
* KV ratings:
+ 1600KV motor: height is 16.6g (using IQ Silicone Wire)
+ 2000KV motor: height is not specified
+ 2400KV motor: height is not specified
* Note: The ECO II Series 2004 Motor is designed for use in RC drone FPV racing applications.

ECO II Series 2004 Motor Specifications:

* Dimensions: 54mm (hotend)
* Frame diameter: 24mm
* Length: 19mm (internal resistance: 20.09Ω)
* Number of cells: 4-6S
* Bearing shaft diameter: 3mm
* Propeller size: 4