About this item Basic Function: It can test analog and digital servos as well as control the ESC. Testing three servos simultaneously whether they are synchronized or not that this function is mainly for CCPM mode.Basic Function: It can test analog and digital servos as well as control the ESC. Testing three servos simultaneously whether they are synchronized or not that this function is mainly for CCPM mode.3 Modes: Manual mode: turn the knob to view the servo response speed. Neutral mode: making the servo go back to the neutral point. Automatic "wiper" mode: making the servo swing at the biggest angle.Premium Material: It is made of high quality aluminum alloy, with anodization, which is durable, safe and reliable.
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