Features: 1. Drive mode: mode defaults to power-on. Adjust the knob to change the high-level time of the output signal. 2. Capture mode: the button, and 000 is displayed as the capture mode. When the signal to be tested is connected, the high level time be displayed. 3. the power supply input voltage is 5V~12V 4. the signal tester is controlled by a single-chip microcomputer and has two control modes, which can be switched by pressing the button. They are the servo drive mode and the servo signal capture mode respectively. rudder 5. the machine drive mode can output a PWM square wave with a high level of 0.5ms~2.5ms and a fixed period of 50hz, which can be used to drive the servo. the signal capture mode can be used to test the output signals of other servo drive boards, displaying the high level time from 50 to 999, in units of 10us. Description: Model: Steering Gear Tester with Display size: 50mm x 33mm Material: PCB colour: As shown Package Contents: 1 x Servo Tester Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.