These ESC's features a very smooth yet linear throttle response, without sacrificing a rapid, crisp, response to any throttle input. Super fast Refresh Rate up to 600Hz make these a very smooth controller. That is to say support PWM input rates up to 600Hz for great response on your quad-copter. Fashion design and high quality with best performance but sells at very reasonable price.
  
 Features:
 
 Designed to accommodate inside carbon tubes, double heat sink. 
SimonK Firmware.
Extremely low internal resistance
 Super smooth and accurate throttle linearity
 Safety thermal over-load protection
 Auto throttle shut down in signal lose situation
 Supports high and low RPM motors
 Power arming protection (prevents the motor from accidentally running when switched ON)
Use new generation of the MOSFETs to make sure the ESC with low heating and more reliability
|   Size (L*W*H) mm  |    47x20x8  |  
|   Constant current (A)  |    30  |  
|   Brush Current (A)  |    40 (10s)  |  
|   BEC output  |    No BEC  |  
|   BEC Type  |    No BEC  |  
|   Battery  |    5-18NC\2-6Lipo  |  
|   Weight (g)  |    24g  |  
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