Features:Two modes can be selected: PWM mode, frequency continuous, duty cycle, this mode can not be set the number of switching times, has been cycling on and off PULSE pulse mode, positive and negative pulse width time, power-on delay start time, switching times adjustable.Various application scenarios: can be used for LED brightness adjustment, motor speed adjustment and solenoid valve suction and release, etc.Digital display: With an LED display showing frequency and duty cycle values, data readings can be read at a glance.Easy to use: Start-stop button for start and stop control wide voltage input 3.3-30V, 5.08mm terminal wiring.Widely applications: PWM signal generator can be used for servo motor, stepper motor, electric gripper, replace PLC pulse, etc.Specification:Product Name: Signal GeneratorColor: as picture shownMaterial: ABSWorking voltage: 3.3-30VFrequency: 1Hz to 150KHz, about 2 percent . Motor speed control generally choose 20KHZDuty cycle range: 0-, 1 percent stepNumber of pulses: 1-9999,or infinite(display-represents infinite)Milliseconds: 0.000s-9999s,1msPositive and negative pulse width length: 0.000s-9999sOutput with load capacity: Less than 8A (MOS Switching Tubes)Output amplitude: Amplitude equal to the supply voltage (OUTand is internally connected to the Vand module)Product size: 79mm x 43mm x 30mm or 3.1in x 1.6in x 1.1inProduct weight: 42gPackage Included:1 x Signal Generator