G.T. Power Servo Tester
The part GT/TL1021 can test up to four servos without using a transmitter and receiver, all you need is a battery pack. Connecting the servo tester to the power supply, you can now test if the servo works before you installing them, also you can compare the response time of each servos. One of the unique feature of this part is it includes a LED digital tube which can monitor the real-time pulse width if the servos. It also supports manual and automatic servo test modes so you can choose the suitable mode when you need to test the special response time of the servo.