Description: Multifunction and metal shell servo ESC tester checker 3 modes Manual mode, turn the potentiometer in different speed and test the response time Neutral mode, make servo back to it neutral point Automatic "window wiper" mode-make the servo swing like window wipers in the biggest angle You can connect 1-3 ESC at one time to test their concurrency and consistency; connect 1-3 ESC to test time reaction Tester can connect 3 servos of the CCPM helicopters, adjust the helicopters and select servos Also could connect the fixed wing helicopter's servo, using the neutral mode to install steering wheel and adjust the helicopter Size Chart: Approx. 5x4.5x1.2cm/ 1.97x1.77x0.47inch Package Includes: 1 Piece RC Helicopter Servo Tester Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size
