Adjustment Steering Gear Tester CCPM 3 Mode ESC Servo Motor For RC Helicopter

It can connect 3 servos of the CCPM helicopters and select servos. -Type: CCPM Servo Tester, ESC or Servo tester. There are 3 modes to check servos or ESC Automatic "window wiper" mode: make the servo swing like a window wipers in the biggest angle.

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