Hobbymate HBS100 Servo Tester Lipo Voltage display ESC Pulse measurement Power display function: 26 cells Lipo battery voltage display 3 lines signal output function : Set manual knob mode ; automatic wiper mode ; the key step mode Multiple signal output formats: Conventional analog servo signal format ; digital servo signal format Pulse measurement function : Its used to test servo signal parameter output from receiver etc. equipment Servo speed testing function : This function is used to test servo test which is help customers to choose appropriate servo for planes