2 Pcs Digital ESC Servo Tester CCPM Consistency Controller Motor For RC Airplane Specification: 100% brand new with high quality Size: Approx.46 x 32 x 17mm Weight: Approx.8g Output: ≤15mA (5.0) Input: DC 4.2-6.0V Output signal: 1.5ms ± 0.5ms Adjustment modes: manual, automatic, and the median. Features: Can be easily detected and set the dummy bit server, jitter and median. Can be connected to two servos or ESC; MCU control, good stability, high accuracy. Turn the knob, steering can be detected. If you connect the electronic governor (brush or brushless available), you can get rid of the remote control device for manual control, for testing tone Speed or motor performance is very practical, no longer cumbersome connecting the remote control and the receiver. It is equivalent to a "hand Dynamic Receiver "feature, playing rudder knob analog transmitters Package Included: 2 x Servo Tester