GT Power CCPM 3-Channel Digital / Analog Multi ESC Servo Tester for R/C Plane Car Boat(Blue)
- 1. 100% Brand new and high quality!
- 2. There are 3 modes to check servos or ESC:
- -Manual mode: turn the knob with different speed, check the reaction time;
- -Neutral mode: make the servo go back to the neutral point;
- -Automatic "window wiper" mode: make the servo swing like a window wipers in the biggest angle.