Scienticy Digital Multi Servo Tester ESC RC Consistency CCPM Master Speed Control (Pack 2) Motor Control Electronic Hobby Kit

Scienticy: [A] The device also can be used as a signal generator for electric speed controller (ESC)......[B] 3 Modes to Check Servos or ESC - Manual mode: turn the knob to view the servo response speed; Neutral mode: making the servo go back to the neutral point; Automatic "wiper" mode: making the servo swing at the biggest angle.....[C] If you connect the electronic governor (with or without brush), you can get rid of the remote control device for manual speed control.....[D] It is very practical to test the governor or motor performance, no need to tediously connect the remote control and receiver.....[E] It is equivalent to a "manual receiver" function that simulates the transmitter steering through a knob.