1、3 Modes: Equipped with manual, neutral and automatic modes, can effectively adjust the servo according to your different needs, suitable for daily use. 2、Powerful Tool: Servo tester has small size, low power, high reliability, these features of mini servo tester make the tool easy to operate and use, providing a satisfying using experience. 3、High Efficiency: 3 sets of steering gear or ESC can be connected simultaneously, You can greatly improve your efficiency without having to repeat debugging one after another. 4、Convenient Using: Easy to use with strong practicability, able to cover most of the parameters that the steering gear user needs to test, so that you don't have to be a professional to use it. 5、Stable Control: Uses SCM control for good stability and high accuracy, able to extend the the service life of your RC model servo or ESC, providing good performance. Item Type: Servo Tester Material: Plastic + Aluminum Alloy + Electronic Components Color: As Picture Shown Application: For Remote Control Helicopters Gross Weight: Approx.8g/0.3oz Input: DC 4.8-6.0V Output Signal: 1.5ms 0.5ms Adjusting Mode: Manual, Neutral, Automatic 1 x Servo Tester