1、HIGH RESOLUTION: The RC ESC tester is capable of comparing the performance of servo control output signals with an accuracy of up to 2us (1 millisecond = 1000 microseconds), ensuring precise measurement of servo response. 2、INTUITIVE KEY SELECTION: Easily switch between manual mode (S‑1), neutral mode (S‑2), and automatic mode (S‑3) with a simple press of a key, allowing for seamless operation and control. 3、VERSATILE PULSE WIDTH OPTIONS: Choose from 50H analog servo signal (20us period, 50Hz frequency), 125H digital servo signal (8us period, 125Hz frequency), or 250H digital servo signal (4us period, 250Hz frequency) to best suit your testing needs. 4、POWERFUL TESTING CAPABILITIES: The remote control plane servo tester can accurately detect even the smallest changes in servo response, with added functionality for testing PPM signals displayed on the screen. 5、EASY TO USE: Simply select the appropriate servo system (digital or analog) using the designated key, then plug in the steering servo for testing, ensuring the safety of your equipment during operation.