4-Piece RC Servo Tester, Multi-Channel 3-Channel ECS Speed Controller, CCPM Power Meter with Reverse

RC Motor Servo Tester, used to test analog and digital servos and control ESCs. Convenient for detecting and setting servo virtual, jitter, and neutral. 3 modes for checking servos or ESCs: Manual Mode: turn the knob to display the servo's response speed; Neutral Mode: returns the servo to the neutral position; Automatic "Wipe" Mode: rotates the servo to its maximum angle. Connect an electronic speed controller (DC/EC) to eliminate the need for a remote control for manual speed regulation. Used to test the performance of the controller and motor, eliminating the need for tedious remote control and receiver connections. Can connect servo groups or an electronic speed controller. Features good single-chip microcomputer control, good stability, and high precision. Turn the knob to detect the servo. Package includes: 4 * RC servo testers