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HiLetgo 3pcs RC Servo Tester 3CH Digital Multi ECS Consistency Speed Controller Checker Adjustment Steering Gear Tester CCPM Master for RC Helicopter Car Boat
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Product Review
1.There are 3 modes to check servos or ESC:
2.Manual mode: turn the knob with different speed, check the reaction time
3.Neutral mode: make the servo go back to the neutral point.
4.Automatic "window wiper" mode: make the servo swing like a window wipers in the biggest angle.
