ToolkitRC ST8 is a data analyzer which is capable to test the voltage, power, current, speed and signal data of the servo. With 4-way independent programmable signal, 8 channel signal output, the precision is accurate to 1us. 4-way independent current date collection, and displayed by graph. Support to test multiple date, speed, liner data, steps,etc. Support multiple signal type, PWM/PPM/SBUS,the precision is accurate to 1us. Input Voltage is higher to 28V, also suitable to test HV servo. The max load is upto 100W. Multi-language system, can change the language by yourself. USB firmware update, easy to operate.